BibTeX records: Leonid Libkin

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@article{DBLP:journals/tplp/GheerbrantLRS24,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Alexandra Rogova and
                  Cristina Sirangelo},
  title        = {Querying Incomplete Data: Complexity and Tractability via Datalog
                  and First-Order Rewritings},
  journal      = {Theory Pract. Log. Program.},
  volume       = {24},
  number       = {2},
  pages        = {279--309},
  year         = {2024},
  url          = {https://doi.org/10.1017/s1471068423000364},
  doi          = {10.1017/S1471068423000364},
  timestamp    = {Mon, 01 Apr 2024 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tplp/GheerbrantLRS24.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/pacmmod/AnglesBD0GHLLMM23,
  author       = {Renzo Angles and
                  Angela Bonifati and
                  Stefania Dumbrava and
                  George Fletcher and
                  Alastair Green and
                  Jan Hidders and
                  Bei Li and
                  Leonid Libkin and
                  Victor Marsault and
                  Wim Martens and
                  Filip Murlak and
                  Stefan Plantikow and
                  Ognjen Savkovic and
                  Michael Schmidt and
                  Juan Sequeda and
                  Slawek Staworko and
                  Dominik Tomaszuk and
                  Hannes Voigt and
                  Domagoj Vrgoc and
                  Mingxi Wu and
                  Dusan Zivkovic},
  title        = {PG-Schema: Schemas for Property Graphs},
  journal      = {Proc. {ACM} Manag. Data},
  volume       = {1},
  number       = {2},
  pages        = {198:1--198:25},
  year         = {2023},
  url          = {https://doi.org/10.1145/3589778},
  doi          = {10.1145/3589778},
  timestamp    = {Fri, 07 Jul 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/pacmmod/AnglesBD0GHLLMM23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/Libkin23,
  author       = {Leonid Libkin},
  title        = {Technical Perspective: Query Answers - Fewer is Faster},
  journal      = {{SIGMOD} Rec.},
  volume       = {52},
  number       = {1},
  pages        = {63},
  year         = {2023},
  url          = {https://doi.org/10.1145/3604437.3604451},
  doi          = {10.1145/3604437.3604451},
  timestamp    = {Tue, 08 Aug 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/sigmod/Libkin23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/FrancisGGLMMMPR23,
  author       = {Nadime Francis and
                  Am{\'{e}}lie Gheerbrant and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Victor Marsault and
                  Wim Martens and
                  Filip Murlak and
                  Liat Peterfreund and
                  Alexandra Rogova and
                  Domagoj Vrgoc},
  editor       = {Floris Geerts and
                  Brecht Vandevoort},
  title        = {A Researcher's Digest of {GQL} (Invited Talk)},
  booktitle    = {26th International Conference on Database Theory, {ICDT} 2023, March
                  28-31, 2023, Ioannina, Greece},
  series       = {LIPIcs},
  volume       = {255},
  pages        = {1:1--1:22},
  publisher    = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
  year         = {2023},
  url          = {https://doi.org/10.4230/LIPIcs.ICDT.2023.1},
  doi          = {10.4230/LIPICS.ICDT.2023.1},
  timestamp    = {Mon, 26 Jun 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/FrancisGGLMMMPR23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinP23,
  author       = {Leonid Libkin and
                  Liat Peterfreund},
  editor       = {Floris Geerts and
                  Hung Q. Ngo and
                  Stavros Sintos},
  title        = {{SQL} Nulls and Two-Valued Logic},
  booktitle    = {Proceedings of the 42nd {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2023, Seattle, WA, USA, June 18-23, 2023},
  pages        = {11--20},
  publisher    = {{ACM}},
  year         = {2023},
  url          = {https://doi.org/10.1145/3584372.3588661},
  doi          = {10.1145/3584372.3588661},
  timestamp    = {Thu, 15 Jun 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinP23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/FrancisGGLMMMPR23,
  author       = {Nadime Francis and
                  Am{\'{e}}lie Gheerbrant and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Victor Marsault and
                  Wim Martens and
                  Filip Murlak and
                  Liat Peterfreund and
                  Alexandra Rogova and
                  Domagoj Vrgoc},
  editor       = {Floris Geerts and
                  Hung Q. Ngo and
                  Stavros Sintos},
  title        = {{GPC:} {A} Pattern Calculus for Property Graphs},
  booktitle    = {Proceedings of the 42nd {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2023, Seattle, WA, USA, June 18-23, 2023},
  pages        = {241--250},
  publisher    = {{ACM}},
  year         = {2023},
  url          = {https://doi.org/10.1145/3584372.3588662},
  doi          = {10.1145/3584372.3588662},
  timestamp    = {Thu, 15 Jun 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/FrancisGGLMMMPR23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ConsoleLP23,
  author       = {Marco Console and
                  Leonid Libkin and
                  Liat Peterfreund},
  editor       = {Floris Geerts and
                  Hung Q. Ngo and
                  Stavros Sintos},
  title        = {Querying Incomplete Numerical Data: Between Certain and Possibile
                  Answers},
  booktitle    = {Proceedings of the 42nd {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2023, Seattle, WA, USA, June 18-23, 2023},
  pages        = {349--358},
  publisher    = {{ACM}},
  year         = {2023},
  url          = {https://doi.org/10.1145/3584372.3588660},
  doi          = {10.1145/3584372.3588660},
  timestamp    = {Thu, 15 Jun 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/ConsoleLP23.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2307-04350,
  author       = {G{\'{a}}bor Sz{\'{a}}rnyas and
                  Brad Bebee and
                  Altan Birler and
                  Alin Deutsch and
                  George Fletcher and
                  Henry A. Gabb and
                  Denise Gosnell and
                  Alastair Green and
                  Zhihui Guo and
                  Keith W. Hare and
                  Jan Hidders and
                  Alexandru Iosup and
                  Atanas Kiryakov and
                  Tomas Kovatchev and
                  Xinsheng Li and
                  Leonid Libkin and
                  Heng Lin and
                  Xiaojian Luo and
                  Arnau Prat{-}P{\'{e}}rez and
                  David P{\"{u}}roja and
                  Shipeng Qi and
                  Oskar van Rest and
                  Benjamin A. Steer and
                  D{\'{a}}vid Szak{\'{a}}llas and
                  Bing Tong and
                  Jack Waudby and
                  Mingxi Wu and
                  Bin Yang and
                  Wenyuan Yu and
                  Chen Zhang and
                  Jason Zhang and
                  Yan Zhou and
                  Peter A. Boncz},
  title        = {The Linked Data Benchmark Council {(LDBC):} Driving competition and
                  collaboration in the graph data management space},
  journal      = {CoRR},
  volume       = {abs/2307.04350},
  year         = {2023},
  url          = {https://doi.org/10.48550/arXiv.2307.04350},
  doi          = {10.48550/ARXIV.2307.04350},
  eprinttype    = {arXiv},
  eprint       = {2307.04350},
  timestamp    = {Mon, 24 Jul 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2307-04350.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2310-12694,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Alexandra Rogova and
                  Cristina Sirangelo},
  title        = {Querying Incomplete Data : Complexity and Tractability via Datalog
                  and First-Order Rewritings},
  journal      = {CoRR},
  volume       = {abs/2310.12694},
  year         = {2023},
  url          = {https://doi.org/10.48550/arXiv.2310.12694},
  doi          = {10.48550/ARXIV.2310.12694},
  eprinttype    = {arXiv},
  eprint       = {2310.12694},
  timestamp    = {Fri, 27 Oct 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2310-12694.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ai/ConsoleGL22,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  title        = {Propositional and predicate logics of incomplete information},
  journal      = {Artif. Intell.},
  volume       = {302},
  pages        = {103603},
  year         = {2022},
  url          = {https://doi.org/10.1016/j.artint.2021.103603},
  doi          = {10.1016/J.ARTINT.2021.103603},
  timestamp    = {Wed, 15 Dec 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/ai/ConsoleGL22.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/is/ConsoleGL22,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  title        = {Fragments of bag relational algebra: Expressiveness and certain answers},
  journal      = {Inf. Syst.},
  volume       = {105},
  pages        = {101604},
  year         = {2022},
  url          = {https://doi.org/10.1016/j.is.2020.101604},
  doi          = {10.1016/J.IS.2020.101604},
  timestamp    = {Fri, 21 Jan 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/is/ConsoleGL22.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/pvldb/ToussaintGLS22,
  author       = {Etienne Toussaint and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Juan Sequeda},
  title        = {Troubles with Nulls, Views from the Users},
  journal      = {Proc. {VLDB} Endow.},
  volume       = {15},
  number       = {11},
  pages        = {2613--2625},
  year         = {2022},
  url          = {https://www.vldb.org/pvldb/vol15/p2613-guagliardo.pdf},
  doi          = {10.14778/3551793.3551818},
  timestamp    = {Mon, 23 Oct 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/pvldb/ToussaintGLS22.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/datalog/GheerbrantLRS22,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Alexandra Rogova and
                  Cristina Sirangelo},
  editor       = {Mario Alviano and
                  Andreas Pieris},
  title        = {Certain Answers of Extensions of Conjunctive Queries by Datalog and
                  First-Order Rewriting},
  booktitle    = {Proceedings of the 4th International Workshop on the Resurgence of
                  Datalog in Academia and Industry (Datalog-2.0 2022) co-located with
                  the 16th International Conference on Logic Programming and Nonmonotonic
                  Reasoning {(LPNMR} 2022), Genova-Nervi, Italy, September 5, 2022},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {3203},
  pages        = {14--26},
  publisher    = {CEUR-WS.org},
  year         = {2022},
  url          = {https://ceur-ws.org/Vol-3203/paper2.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:45 +0100},
  biburl       = {https://dblp.org/rec/conf/datalog/GheerbrantLRS22.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/DeutschFGHLLLMM22,
  author       = {Alin Deutsch and
                  Nadime Francis and
                  Alastair Green and
                  Keith Hare and
                  Bei Li and
                  Leonid Libkin and
                  Tobias Lindaaker and
                  Victor Marsault and
                  Wim Martens and
                  Jan Michels and
                  Filip Murlak and
                  Stefan Plantikow and
                  Petra Selmer and
                  Oskar van Rest and
                  Hannes Voigt and
                  Domagoj Vrgoc and
                  Mingxi Wu and
                  Fred Zemke},
  editor       = {Zachary G. Ives and
                  Angela Bonifati and
                  Amr El Abbadi},
  title        = {Graph Pattern Matching in {GQL} and {SQL/PGQ}},
  booktitle    = {{SIGMOD} '22: International Conference on Management of Data, Philadelphia,
                  PA, USA, June 12 - 17, 2022},
  pages        = {2246--2258},
  publisher    = {{ACM}},
  year         = {2022},
  url          = {https://doi.org/10.1145/3514221.3526057},
  doi          = {10.1145/3514221.3526057},
  timestamp    = {Thu, 16 Mar 2023 09:51:25 +0100},
  biburl       = {https://dblp.org/rec/conf/sigmod/DeutschFGHLLLMM22.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/pods/2022,
  editor       = {Leonid Libkin and
                  Pablo Barcel{\'{o}}},
  title        = {{PODS} '22: International Conference on Management of Data, Philadelphia,
                  PA, USA, June 12 - 17, 2022},
  publisher    = {{ACM}},
  year         = {2022},
  url          = {https://doi.org/10.1145/3517804},
  doi          = {10.1145/3517804},
  isbn         = {978-1-4503-9260-0},
  timestamp    = {Wed, 15 Jun 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/2022.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2210-15395,
  author       = {Marco Console and
                  Leonid Libkin and
                  Liat Peterfreund},
  title        = {Querying Incomplete Numerical Data: Between Certain and Possible Answers},
  journal      = {CoRR},
  volume       = {abs/2210.15395},
  year         = {2022},
  url          = {https://doi.org/10.48550/arXiv.2210.15395},
  doi          = {10.48550/ARXIV.2210.15395},
  eprinttype    = {arXiv},
  eprint       = {2210.15395},
  timestamp    = {Wed, 02 Nov 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2210-15395.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2210-16580,
  author       = {Nadime Francis and
                  Am{\'{e}}lie Gheerbrant and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Victor Marsault and
                  Wim Martens and
                  Filip Murlak and
                  Liat Peterfreund and
                  Alexandra Rogova and
                  Domagoj Vrgoc},
  title        = {{GPC:} {A} Pattern Calculus for Property Graphs},
  journal      = {CoRR},
  volume       = {abs/2210.16580},
  year         = {2022},
  url          = {https://doi.org/10.48550/arXiv.2210.16580},
  doi          = {10.48550/ARXIV.2210.16580},
  eprinttype    = {arXiv},
  eprint       = {2210.16580},
  timestamp    = {Wed, 02 Nov 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2210-16580.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2211-10962,
  author       = {Renzo Angles and
                  Angela Bonifati and
                  Stefania Dumbrava and
                  George Fletcher and
                  Alastair Green and
                  Jan Hidders and
                  Bei Li and
                  Leonid Libkin and
                  Victor Marsault and
                  Wim Martens and
                  Filip Murlak and
                  Stefan Plantikow and
                  Ognjen Savkovic and
                  Michael Schmidt and
                  Juan Sequeda and
                  Slawek Staworko and
                  Dominik Tomaszuk and
                  Hannes Voigt and
                  Domagoj Vrgoc and
                  Mingxi Wu and
                  Dusan Zivkovic},
  title        = {PG-Schema: Schemas for Property Graphs},
  journal      = {CoRR},
  volume       = {abs/2211.10962},
  year         = {2022},
  url          = {https://doi.org/10.48550/arXiv.2211.10962},
  doi          = {10.48550/ARXIV.2211.10962},
  eprinttype    = {arXiv},
  eprint       = {2211.10962},
  timestamp    = {Fri, 02 Dec 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2211-10962.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tbd/KoehlerABCMKFKL21,
  author       = {Martin Koehler and
                  Edward Abel and
                  Alex Bogatu and
                  Cristina Civili and
                  Lacramioara Mazilu and
                  Nikolaos Konstantinou and
                  Alvaro A. A. Fernandes and
                  John A. Keane and
                  Leonid Libkin and
                  Norman W. Paton},
  title        = {Incorporating Data Context to Cost-Effectively Automate End-to-End
                  Data Wrangling},
  journal      = {{IEEE} Trans. Big Data},
  volume       = {7},
  number       = {1},
  pages        = {169--186},
  year         = {2021},
  url          = {https://doi.org/10.1109/TBDATA.2019.2907588},
  doi          = {10.1109/TBDATA.2019.2907588},
  timestamp    = {Thu, 27 Jul 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tbd/KoehlerABCMKFKL21.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/AnglesBDFHHLLLM21,
  author       = {Renzo Angles and
                  Angela Bonifati and
                  Stefania Dumbrava and
                  George Fletcher and
                  Keith W. Hare and
                  Jan Hidders and
                  Victor E. Lee and
                  Bei Li and
                  Leonid Libkin and
                  Wim Martens and
                  Filip Murlak and
                  Josh Perryman and
                  Ognjen Savkovic and
                  Michael Schmidt and
                  Juan F. Sequeda and
                  Slawek Staworko and
                  Dominik Tomaszuk},
  editor       = {Guoliang Li and
                  Zhanhuai Li and
                  Stratos Idreos and
                  Divesh Srivastava},
  title        = {PG-Keys: Keys for Property Graphs},
  booktitle    = {{SIGMOD} '21: International Conference on Management of Data, Virtual
                  Event, China, June 20-25, 2021},
  pages        = {2423--2436},
  publisher    = {{ACM}},
  year         = {2021},
  url          = {https://doi.org/10.1145/3448016.3457561},
  doi          = {10.1145/3448016.3457561},
  timestamp    = {Wed, 07 Dec 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/sigmod/AnglesBDFHHLLLM21.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/pods/2021,
  editor       = {Leonid Libkin and
                  Reinhard Pichler and
                  Paolo Guagliardo},
  title        = {PODS'21: Proceedings of the 40th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium
                  on Principles of Database Systems, Virtual Event, China, June 20-25,
                  2021},
  publisher    = {{ACM}},
  year         = {2021},
  url          = {https://doi.org/10.1145/3452021},
  doi          = {10.1145/3452021},
  isbn         = {978-1-4503-8381-3},
  timestamp    = {Mon, 21 Jun 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/2021.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2112-06217,
  author       = {Alin Deutsch and
                  Nadime Francis and
                  Alastair Green and
                  Keith Hare and
                  Bei Li and
                  Leonid Libkin and
                  Tobias Lindaaker and
                  Victor Marsault and
                  Wim Martens and
                  Jan Michels and
                  Filip Murlak and
                  Stefan Plantikow and
                  Petra Selmer and
                  Hannes Voigt and
                  Oskar van Rest and
                  Domagoj Vrgoc and
                  Mingxi Wu and
                  Fred Zemke},
  title        = {Graph Pattern Matching in {GQL} and {SQL/PGQ}},
  journal      = {CoRR},
  volume       = {abs/2112.06217},
  year         = {2021},
  url          = {https://arxiv.org/abs/2112.06217},
  eprinttype    = {arXiv},
  eprint       = {2112.06217},
  timestamp    = {Wed, 07 Dec 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2112-06217.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/ConsoleHL20,
  author       = {Marco Console and
                  Matthias F. J. Hofer and
                  Leonid Libkin},
  editor       = {Diego Calvanese and
                  Esra Erdem and
                  Michael Thielscher},
  title        = {Reasoning about Measures of Unmeasurable Sets},
  booktitle    = {Proceedings of the 17th International Conference on Principles of
                  Knowledge Representation and Reasoning, {KR} 2020, Rhodes, Greece,
                  September 12-18, 2020},
  pages        = {264--273},
  year         = {2020},
  url          = {https://doi.org/10.24963/kr.2020/27},
  doi          = {10.24963/KR.2020/27},
  timestamp    = {Fri, 29 Jan 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/ConsoleHL20.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/ToussaintGL20,
  author       = {Etienne Toussaint and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Diego Calvanese and
                  Esra Erdem and
                  Michael Thielscher},
  title        = {Knowledge-Preserving Certain Answers for SQL-like Queries},
  booktitle    = {Proceedings of the 17th International Conference on Principles of
                  Knowledge Representation and Reasoning, {KR} 2020, Rhodes, Greece,
                  September 12-18, 2020},
  pages        = {758--767},
  year         = {2020},
  url          = {https://doi.org/10.24963/kr.2020/78},
  doi          = {10.24963/KR.2020/78},
  timestamp    = {Fri, 29 Jan 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/ToussaintGL20.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ConsoleGLT20,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Etienne Toussaint},
  editor       = {Dan Suciu and
                  Yufei Tao and
                  Zhewei Wei},
  title        = {Coping with Incomplete Data: Recent Advances},
  booktitle    = {Proceedings of the 39th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2020, Portland, OR, USA, June 14-19, 2020},
  pages        = {33--47},
  publisher    = {{ACM}},
  year         = {2020},
  url          = {https://doi.org/10.1145/3375395.3387970},
  doi          = {10.1145/3375395.3387970},
  timestamp    = {Thu, 29 Sep 2022 08:01:46 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/ConsoleGLT20.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ConsoleHL20,
  author       = {Marco Console and
                  Matthias F. J. Hofer and
                  Leonid Libkin},
  editor       = {Dan Suciu and
                  Yufei Tao and
                  Zhewei Wei},
  title        = {Queries with Arithmetic on Incomplete Databases},
  booktitle    = {Proceedings of the 39th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2020, Portland, OR, USA, June 14-19, 2020},
  pages        = {179--189},
  publisher    = {{ACM}},
  year         = {2020},
  url          = {https://doi.org/10.1145/3375395.3387666},
  doi          = {10.1145/3375395.3387666},
  timestamp    = {Mon, 07 Dec 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/ConsoleHL20.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-2012-13198,
  author       = {Leonid Libkin and
                  Liat Peterfreund},
  title        = {Handling {SQL} Nulls with Two-Valued Logic},
  journal      = {CoRR},
  volume       = {abs/2012.13198},
  year         = {2020},
  url          = {https://arxiv.org/abs/2012.13198},
  eprinttype    = {arXiv},
  eprint       = {2012.13198},
  timestamp    = {Tue, 05 Jan 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-2012-13198.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/is/GuagliardoL19,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  title        = {On the Codd semantics of {SQL} nulls},
  journal      = {Inf. Syst.},
  volume       = {86},
  pages        = {46--60},
  year         = {2019},
  url          = {https://doi.org/10.1016/j.is.2018.08.001},
  doi          = {10.1016/J.IS.2018.08.001},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/is/GuagliardoL19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/pvldb/GreenGLLMPSSV19,
  author       = {Alastair Green and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Tobias Lindaaker and
                  Victor Marsault and
                  Stefan Plantikow and
                  Martin Schuster and
                  Petra Selmer and
                  Hannes Voigt},
  title        = {Updating Graph Databases with Cypher},
  journal      = {Proc. {VLDB} Endow.},
  volume       = {12},
  number       = {12},
  pages        = {2242--2253},
  year         = {2019},
  url          = {http://www.vldb.org/pvldb/vol12/p2242-green.pdf},
  doi          = {10.14778/3352063.3352139},
  timestamp    = {Wed, 07 Dec 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/pvldb/GreenGLLMPSSV19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/Libkin19,
  author       = {Leonid Libkin},
  title        = {Research Highlights: Bridging Theory and Practice with Query Log Analysis},
  journal      = {{SIGMOD} Rec.},
  volume       = {48},
  number       = {1},
  pages        = {5},
  year         = {2019},
  url          = {https://doi.org/10.1145/3371316.3371318},
  doi          = {10.1145/3371316.3371318},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/Libkin19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/ConsoleGL19,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Pablo Barcel{\'{o}} and
                  Marco Calautti},
  title        = {Fragments of Bag Relational Algebra: Expressiveness and Certain Answers},
  booktitle    = {22nd International Conference on Database Theory, {ICDT} 2019, March
                  26-28, 2019, Lisbon, Portugal},
  series       = {LIPIcs},
  volume       = {127},
  pages        = {8:1--8:16},
  publisher    = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
  year         = {2019},
  url          = {https://doi.org/10.4230/LIPIcs.ICDT.2019.8},
  doi          = {10.4230/LIPICS.ICDT.2019.8},
  timestamp    = {Tue, 11 Feb 2020 15:52:14 +0100},
  biburl       = {https://dblp.org/rec/conf/icdt/ConsoleGL19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/ijcai/ConsoleHL19,
  author       = {Marco Console and
                  Matthias F. J. Hofer and
                  Leonid Libkin},
  editor       = {Sarit Kraus},
  title        = {Measuring the Likelihood of Numerical Constraints},
  booktitle    = {Proceedings of the Twenty-Eighth International Joint Conference on
                  Artificial Intelligence, {IJCAI} 2019, Macao, China, August 10-16,
                  2019},
  pages        = {1654--1660},
  publisher    = {ijcai.org},
  year         = {2019},
  url          = {https://doi.org/10.24963/ijcai.2019/229},
  doi          = {10.24963/IJCAI.2019/229},
  timestamp    = {Sat, 09 Apr 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/ijcai/ConsoleHL19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/ijcai/ConsoleGL19,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Sarit Kraus},
  title        = {Do We Need Many-valued Logics for Incomplete Information?},
  booktitle    = {Proceedings of the Twenty-Eighth International Joint Conference on
                  Artificial Intelligence, {IJCAI} 2019, Macao, China, August 10-16,
                  2019},
  pages        = {6141--6145},
  publisher    = {ijcai.org},
  year         = {2019},
  url          = {https://doi.org/10.24963/ijcai.2019/851},
  doi          = {10.24963/IJCAI.2019/851},
  timestamp    = {Sat, 09 Apr 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/ijcai/ConsoleGL19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:reference/bdt/ArenasBL19,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  editor       = {Sherif Sakr and
                  Albert Y. Zomaya},
  title        = {Graph Path Navigation},
  booktitle    = {Encyclopedia of Big Data Technologies},
  publisher    = {Springer},
  year         = {2019},
  url          = {https://doi.org/10.1007/978-3-319-63962-8\_214-1},
  doi          = {10.1007/978-3-319-63962-8\_214-1},
  timestamp    = {Thu, 14 Feb 2019 16:03:55 +0100},
  biburl       = {https://dblp.org/rec/reference/bdt/ArenasBL19.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/dagstuhl-manifestos/AbiteboulABBCD018,
  author       = {Serge Abiteboul and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Meghyn Bienvenu and
                  Diego Calvanese and
                  Claire David and
                  Richard Hull and
                  Eyke H{\"{u}}llermeier and
                  Benny Kimelfeld and
                  Leonid Libkin and
                  Wim Martens and
                  Tova Milo and
                  Filip Murlak and
                  Frank Neven and
                  Magdalena Ortiz and
                  Thomas Schwentick and
                  Julia Stoyanovich and
                  Jianwen Su and
                  Dan Suciu and
                  Victor Vianu and
                  Ke Yi},
  title        = {Research Directions for Principles of Data Management (Dagstuhl Perspectives
                  Workshop 16151)},
  journal      = {Dagstuhl Manifestos},
  volume       = {7},
  number       = {1},
  pages        = {1--29},
  year         = {2018},
  url          = {https://doi.org/10.4230/DagMan.7.1.1},
  doi          = {10.4230/DAGMAN.7.1.1},
  timestamp    = {Mon, 29 Aug 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/dagstuhl-manifestos/AbiteboulABBCD018.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/LibkinRSV18,
  author       = {Leonid Libkin and
                  Juan L. Reutter and
                  Adri{\'{a}}n Soto and
                  Domagoj Vrgoc},
  title        = {TriAL: {A} Navigational Algebra for {RDF} Triplestores},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {43},
  number       = {1},
  pages        = {5:1--5:46},
  year         = {2018},
  url          = {https://doi.org/10.1145/3154385},
  doi          = {10.1145/3154385},
  timestamp    = {Sat, 08 Jan 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tods/LibkinRSV18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/CalauttiLP18,
  author       = {Marco Calautti and
                  Leonid Libkin and
                  Andreas Pieris},
  editor       = {Dan Olteanu and
                  Barbara Poblete},
  title        = {An Operational Approach to Consistent Query Answering},
  booktitle    = {Proceedings of the 12th Alberto Mendelzon International Workshop on
                  Foundations of Data Management, Cali, Colombia, May 21-25, 2018},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {2100},
  publisher    = {CEUR-WS.org},
  year         = {2018},
  url          = {https://ceur-ws.org/Vol-2100/paper5.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:19 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/CalauttiLP18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/GuagliardoL18,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Dan Olteanu and
                  Barbara Poblete},
  title        = {How Standard is the {SQL} Standard?},
  booktitle    = {Proceedings of the 12th Alberto Mendelzon International Workshop on
                  Foundations of Data Management, Cali, Colombia, May 21-25, 2018},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {2100},
  publisher    = {CEUR-WS.org},
  year         = {2018},
  url          = {https://ceur-ws.org/Vol-2100/paper16.pdf},
  timestamp    = {Fri, 10 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/GuagliardoL18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/ijcai/AmendolaL18,
  author       = {Giovanni Amendola and
                  Leonid Libkin},
  editor       = {J{\'{e}}r{\^{o}}me Lang},
  title        = {Explainable Certain Answers},
  booktitle    = {Proceedings of the Twenty-Seventh International Joint Conference on
                  Artificial Intelligence, {IJCAI} 2018, July 13-19, 2018, Stockholm,
                  Sweden},
  pages        = {1683--1690},
  publisher    = {ijcai.org},
  year         = {2018},
  url          = {https://doi.org/10.24963/ijcai.2018/233},
  doi          = {10.24963/IJCAI.2018/233},
  timestamp    = {Fri, 25 Dec 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/ijcai/AmendolaL18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/CiviliL18,
  author       = {Cristina Civili and
                  Leonid Libkin},
  editor       = {Michael Thielscher and
                  Francesca Toni and
                  Frank Wolter},
  title        = {Approximating Certainty in Querying Data and Metadata},
  booktitle    = {Principles of Knowledge Representation and Reasoning: Proceedings
                  of the Sixteenth International Conference, {KR} 2018, Tempe, Arizona,
                  30 October - 2 November 2018},
  pages        = {582--591},
  publisher    = {{AAAI} Press},
  year         = {2018},
  url          = {https://aaai.org/ocs/index.php/KR/KR18/paper/view/18014},
  timestamp    = {Tue, 09 Feb 2021 08:33:51 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/CiviliL18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/ConsoleGL18,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Michael Thielscher and
                  Francesca Toni and
                  Frank Wolter},
  title        = {Propositional and Predicate Logics of Incomplete Information},
  booktitle    = {Principles of Knowledge Representation and Reasoning: Proceedings
                  of the Sixteenth International Conference, {KR} 2018, Tempe, Arizona,
                  30 October - 2 November 2018},
  pages        = {592--601},
  publisher    = {{AAAI} Press},
  year         = {2018},
  url          = {https://aaai.org/ocs/index.php/KR/KR18/paper/view/18068},
  timestamp    = {Tue, 09 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/ConsoleGL18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin18,
  author       = {Leonid Libkin},
  editor       = {Jan Van den Bussche and
                  Marcelo Arenas},
  title        = {Certain Answers Meet Zero-One Laws},
  booktitle    = {Proceedings of the 37th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, Houston, TX, USA, June 10-15, 2018},
  pages        = {195--207},
  publisher    = {{ACM}},
  year         = {2018},
  url          = {https://doi.org/10.1145/3196959.3196983},
  doi          = {10.1145/3196959.3196983},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/CalauttiLP18,
  author       = {Marco Calautti and
                  Leonid Libkin and
                  Andreas Pieris},
  editor       = {Jan Van den Bussche and
                  Marcelo Arenas},
  title        = {An Operational Approach to Consistent Query Answering},
  booktitle    = {Proceedings of the 37th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, Houston, TX, USA, June 10-15, 2018},
  pages        = {239--251},
  publisher    = {{ACM}},
  year         = {2018},
  url          = {https://doi.org/10.1145/3196959.3196966},
  doi          = {10.1145/3196959.3196966},
  timestamp    = {Sun, 25 Oct 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/CalauttiLP18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/FrancisGGLLMPRS18,
  author       = {Nadime Francis and
                  Alastair Green and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Tobias Lindaaker and
                  Victor Marsault and
                  Stefan Plantikow and
                  Mats Rydberg and
                  Petra Selmer and
                  Andr{\'{e}}s Taylor},
  editor       = {Gautam Das and
                  Christopher M. Jermaine and
                  Philip A. Bernstein},
  title        = {Cypher: An Evolving Query Language for Property Graphs},
  booktitle    = {Proceedings of the 2018 International Conference on Management of
                  Data, {SIGMOD} Conference 2018, Houston, TX, USA, June 10-15, 2018},
  pages        = {1433--1445},
  publisher    = {{ACM}},
  year         = {2018},
  url          = {https://doi.org/10.1145/3183713.3190657},
  doi          = {10.1145/3183713.3190657},
  timestamp    = {Wed, 07 Dec 2022 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/sigmod/FrancisGGLLMPRS18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:reference/db/Libkin18,
  author       = {Leonid Libkin},
  editor       = {Ling Liu and
                  M. Tamer {\"{O}}zsu},
  title        = {Expressive Power of Query Languages},
  booktitle    = {Encyclopedia of Database Systems, Second Edition},
  publisher    = {Springer},
  year         = {2018},
  url          = {https://doi.org/10.1007/978-1-4614-8265-9\_1239},
  doi          = {10.1007/978-1-4614-8265-9\_1239},
  timestamp    = {Thu, 14 Feb 2019 09:43:36 +0100},
  biburl       = {https://dblp.org/rec/reference/db/Libkin18.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-1802-09984,
  author       = {Nadime Francis and
                  Alastair Green and
                  Paolo Guagliardo and
                  Leonid Libkin and
                  Tobias Lindaaker and
                  Victor Marsault and
                  Stefan Plantikow and
                  Mats Rydberg and
                  Martin Schuster and
                  Petra Selmer and
                  Andr{\'{e}}s Taylor},
  title        = {Formal Semantics of the Language Cypher},
  journal      = {CoRR},
  volume       = {abs/1802.09984},
  year         = {2018},
  url          = {http://arxiv.org/abs/1802.09984},
  eprinttype    = {arXiv},
  eprint       = {1802.09984},
  timestamp    = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-1802-09984.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-1811-09248,
  author       = {Martin Koehler and
                  Alex Bogatu and
                  Cristina Civili and
                  Nikolaos Konstantinou and
                  Edward Abel and
                  Alvaro A. A. Fernandes and
                  John A. Keane and
                  Leonid Libkin and
                  Norman W. Paton},
  title        = {Data Context Informed Data Wrangling},
  journal      = {CoRR},
  volume       = {abs/1811.09248},
  year         = {2018},
  url          = {http://arxiv.org/abs/1811.09248},
  eprinttype    = {arXiv},
  eprint       = {1811.09248},
  timestamp    = {Sun, 02 Dec 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/corr/abs-1811-09248.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/cacm/Libkin17,
  author       = {Leonid Libkin},
  title        = {Technical Perspective: Data distribution for fast joins},
  journal      = {Commun. {ACM}},
  volume       = {60},
  number       = {3},
  pages        = {92},
  year         = {2017},
  url          = {https://doi.org/10.1145/3041061},
  doi          = {10.1145/3041061},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/cacm/Libkin17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/LibkinKQ17,
  author       = {Leonid Libkin and
                  Ulrich Kohlenbach and
                  Ruy J. G. B. de Queiroz},
  title        = {20th workshop on logic, language, information and computation - WoLLIC
                  2013},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {88},
  pages        = {1--2},
  year         = {2017},
  url          = {https://doi.org/10.1016/j.jcss.2017.05.009},
  doi          = {10.1016/J.JCSS.2017.05.009},
  timestamp    = {Fri, 14 Jul 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jcss/LibkinKQ17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/pvldb/GuagliardoL17,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  title        = {A Formal Semantics of {SQL} Queries, Its Validation, and Applications},
  journal      = {Proc. {VLDB} Endow.},
  volume       = {11},
  number       = {1},
  pages        = {27--39},
  year         = {2017},
  url          = {http://www.vldb.org/pvldb/vol11/p27-guagliardo.pdf},
  doi          = {10.14778/3151113.3151116},
  timestamp    = {Tue, 16 Aug 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/pvldb/GuagliardoL17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/GuagliardoL17,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  title        = {Correctness of {SQL} Queries on Databases with Nulls},
  journal      = {{SIGMOD} Rec.},
  volume       = {46},
  number       = {3},
  pages        = {5--16},
  year         = {2017},
  url          = {https://doi.org/10.1145/3156655.3156657},
  doi          = {10.1145/3156655.3156657},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/GuagliardoL17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/GuagliardoL17,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Juan L. Reutter and
                  Divesh Srivastava},
  title        = {On the Codd Semantics of {SQL} Nulls},
  booktitle    = {Proceedings of the 11th Alberto Mendelzon International Workshop on
                  Foundations of Data Management and the Web, Montevideo, Uruguay, June
                  7-9, 2017},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {1912},
  publisher    = {CEUR-WS.org},
  year         = {2017},
  url          = {https://ceur-ws.org/Vol-1912/paper23.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:19 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/GuagliardoL17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/bigdataconf/KoehlerBC0AFKLP17,
  author       = {Martin Koehler and
                  Alex Bogatu and
                  Cristina Civili and
                  Nikolaos Konstantinou and
                  Edward Abel and
                  Alvaro A. A. Fernandes and
                  John A. Keane and
                  Leonid Libkin and
                  Norman W. Paton},
  editor       = {Jian{-}Yun Nie and
                  Zoran Obradovic and
                  Toyotaro Suzumura and
                  Rumi Ghosh and
                  Raghunath Nambiar and
                  Chonggang Wang and
                  Hui Zang and
                  Ricardo Baeza{-}Yates and
                  Xiaohua Hu and
                  Jeremy Kepner and
                  Alfredo Cuzzocrea and
                  Jian Tang and
                  Masashi Toyoda},
  title        = {Data context informed data wrangling},
  booktitle    = {2017 {IEEE} International Conference on Big Data {(IEEE} BigData 2017),
                  Boston, MA, USA, December 11-14, 2017},
  pages        = {956--963},
  publisher    = {{IEEE} Computer Society},
  year         = {2017},
  url          = {https://doi.org/10.1109/BigData.2017.8258015},
  doi          = {10.1109/BIGDATA.2017.8258015},
  timestamp    = {Fri, 19 Nov 2021 16:08:20 +0100},
  biburl       = {https://dblp.org/rec/conf/bigdataconf/KoehlerBC0AFKLP17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/ijcai/ConsoleGL17,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Carles Sierra},
  title        = {On Querying Incomplete Information in Databases under Bag Semantics},
  booktitle    = {Proceedings of the Twenty-Sixth International Joint Conference on
                  Artificial Intelligence, {IJCAI} 2017, Melbourne, Australia, August
                  19-25, 2017},
  pages        = {993--999},
  publisher    = {ijcai.org},
  year         = {2017},
  url          = {https://doi.org/10.24963/ijcai.2017/138},
  doi          = {10.24963/IJCAI.2017/138},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/ijcai/ConsoleGL17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinV17,
  author       = {Leonid Libkin and
                  Moshe Y. Vardi},
  editor       = {Emanuel Sallinger and
                  Jan Van den Bussche and
                  Floris Geerts},
  title        = {2017 {ACM} {PODS} Alberto O. Mendelzon Test-of-Time Award},
  booktitle    = {Proceedings of the 36th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2017, Chicago, IL, USA, May 14-19, 2017},
  pages        = {91},
  publisher    = {{ACM}},
  year         = {2017},
  url          = {https://doi.org/10.1145/3034786.3056122},
  doi          = {10.1145/3034786.3056122},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinV17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/FrancisL17,
  author       = {Nadime Francis and
                  Leonid Libkin},
  editor       = {Emanuel Sallinger and
                  Jan Van den Bussche and
                  Floris Geerts},
  title        = {Schema Mappings for Data Graphs},
  booktitle    = {Proceedings of the 36th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2017, Chicago, IL, USA, May 14-19, 2017},
  pages        = {389--401},
  publisher    = {{ACM}},
  year         = {2017},
  url          = {https://doi.org/10.1145/3034786.3056113},
  doi          = {10.1145/3034786.3056113},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/FrancisL17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/KonstantinouKAC17,
  author       = {Nikolaos Konstantinou and
                  Martin Koehler and
                  Edward Abel and
                  Cristina Civili and
                  Bernd Neumayr and
                  Emanuel Sallinger and
                  Alvaro A. A. Fernandes and
                  Georg Gottlob and
                  John A. Keane and
                  Leonid Libkin and
                  Norman W. Paton},
  editor       = {Semih Salihoglu and
                  Wenchao Zhou and
                  Rada Chirkova and
                  Jun Yang and
                  Dan Suciu},
  title        = {The {VADA} Architecture for Cost-Effective Data Wrangling},
  booktitle    = {Proceedings of the 2017 {ACM} International Conference on Management
                  of Data, {SIGMOD} Conference 2017, Chicago, IL, USA, May 14-19, 2017},
  pages        = {1599--1602},
  publisher    = {{ACM}},
  year         = {2017},
  url          = {https://doi.org/10.1145/3035918.3058730},
  doi          = {10.1145/3035918.3058730},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/sigmod/KonstantinouKAC17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/AbiteboulABBCDH17,
  author       = {Serge Abiteboul and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Meghyn Bienvenu and
                  Diego Calvanese and
                  Claire David and
                  Richard Hull and
                  Eyke H{\"{u}}llermeier and
                  Benny Kimelfeld and
                  Leonid Libkin and
                  Wim Martens and
                  Tova Milo and
                  Filip Murlak and
                  Frank Neven and
                  Magdalena Ortiz and
                  Thomas Schwentick and
                  Julia Stoyanovich and
                  Jianwen Su and
                  Dan Suciu and
                  Victor Vianu and
                  Ke Yi},
  title        = {Research Directions for Principles of Data Management (Dagstuhl Perspectives
                  Workshop 16151)},
  journal      = {CoRR},
  volume       = {abs/1701.09007},
  year         = {2017},
  url          = {http://arxiv.org/abs/1701.09007},
  eprinttype    = {arXiv},
  eprint       = {1701.09007},
  timestamp    = {Mon, 29 Aug 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/AbiteboulABBCDH17.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ai/Libkin16,
  author       = {Leonid Libkin},
  title        = {Certain answers as objects and knowledge},
  journal      = {Artif. Intell.},
  volume       = {232},
  pages        = {1--19},
  year         = {2016},
  url          = {https://doi.org/10.1016/j.artint.2015.11.004},
  doi          = {10.1016/J.ARTINT.2015.11.004},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ai/Libkin16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/BarceloL16,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  title        = {Order-Invariant Types and Their Applications},
  journal      = {Log. Methods Comput. Sci.},
  volume       = {12},
  number       = {1},
  year         = {2016},
  url          = {https://doi.org/10.2168/LMCS-12(1:9)2016},
  doi          = {10.2168/LMCS-12(1:9)2016},
  timestamp    = {Thu, 25 Jun 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/BarceloL16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/LibkinMV16,
  author       = {Leonid Libkin and
                  Wim Martens and
                  Domagoj Vrgoc},
  title        = {Querying Graphs with Data},
  journal      = {J. {ACM}},
  volume       = {63},
  number       = {2},
  pages        = {14:1--14:53},
  year         = {2016},
  url          = {https://doi.org/10.1145/2850413},
  doi          = {10.1145/2850413},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/LibkinMV16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/Libkin16,
  author       = {Leonid Libkin},
  title        = {Technical Perspective: Data Distribution for Fast Joins},
  journal      = {{SIGMOD} Rec.},
  volume       = {45},
  number       = {1},
  pages        = {32},
  year         = {2016},
  url          = {https://doi.org/10.1145/2949741.2949749},
  doi          = {10.1145/2949741.2949749},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/Libkin16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/AbiteboulABBCDH16,
  author       = {Serge Abiteboul and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Meghyn Bienvenu and
                  Diego Calvanese and
                  Claire David and
                  Richard Hull and
                  Eyke H{\"{u}}llermeier and
                  Benny Kimelfeld and
                  Leonid Libkin and
                  Wim Martens and
                  Tova Milo and
                  Filip Murlak and
                  Frank Neven and
                  Magdalena Ortiz and
                  Thomas Schwentick and
                  Julia Stoyanovich and
                  Jianwen Su and
                  Dan Suciu and
                  Victor Vianu and
                  Ke Yi},
  title        = {Research Directions for Principles of Data Management (Abridged)},
  journal      = {{SIGMOD} Rec.},
  volume       = {45},
  number       = {4},
  pages        = {5--17},
  year         = {2016},
  url          = {https://doi.org/10.1145/3092931.3092933},
  doi          = {10.1145/3092931.3092933},
  timestamp    = {Mon, 05 Feb 2024 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/AbiteboulABBCDH16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/Libkin16,
  author       = {Leonid Libkin},
  title        = {SQL's Three-Valued Logic and Certain Answers},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {41},
  number       = {1},
  pages        = {1:1--1:28},
  year         = {2016},
  url          = {https://doi.org/10.1145/2877206},
  doi          = {10.1145/2877206},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/Libkin16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/edbt/FurcheGLOP16,
  author       = {Tim Furche and
                  Georg Gottlob and
                  Leonid Libkin and
                  Giorgio Orsi and
                  Norman W. Paton},
  editor       = {Evaggelia Pitoura and
                  Sofian Maabout and
                  Georgia Koutrika and
                  Am{\'{e}}lie Marian and
                  Letizia Tanca and
                  Ioana Manolescu and
                  Kostas Stefanidis},
  title        = {Data Wrangling for Big Data: Challenges and Opportunities},
  booktitle    = {Proceedings of the 19th International Conference on Extending Database
                  Technology, {EDBT} 2016, Bordeaux, France, March 15-16, 2016, Bordeaux,
                  France, March 15-16, 2016},
  pages        = {473--478},
  publisher    = {OpenProceedings.org},
  year         = {2016},
  url          = {https://doi.org/10.5441/002/edbt.2016.44},
  doi          = {10.5441/002/EDBT.2016.44},
  timestamp    = {Fri, 29 Jan 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/edbt/FurcheGLOP16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/ConsoleGL16,
  author       = {Marco Console and
                  Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Chitta Baral and
                  James P. Delgrande and
                  Frank Wolter},
  title        = {Approximations and Refinements of Certain Answers via Many-Valued
                  Logics},
  booktitle    = {Principles of Knowledge Representation and Reasoning: Proceedings
                  of the Fifteenth International Conference, {KR} 2016, Cape Town, South
                  Africa, April 25-29, 2016},
  pages        = {349--358},
  publisher    = {{AAAI} Press},
  year         = {2016},
  url          = {http://www.aaai.org/ocs/index.php/KR/KR16/paper/view/12813},
  timestamp    = {Tue, 09 Feb 2021 08:33:50 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/ConsoleGL16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/GuagliardoL16,
  author       = {Paolo Guagliardo and
                  Leonid Libkin},
  editor       = {Tova Milo and
                  Wang{-}Chiew Tan},
  title        = {Making {SQL} Queries Correct on Incomplete Databases: {A} Feasibility
                  Study},
  booktitle    = {Proceedings of the 35th {ACM} {SIGMOD-SIGACT-SIGAI} Symposium on Principles
                  of Database Systems, {PODS} 2016, San Francisco, CA, USA, June 26
                  - July 01, 2016},
  pages        = {211--223},
  publisher    = {{ACM}},
  year         = {2016},
  url          = {https://doi.org/10.1145/2902251.2902297},
  doi          = {10.1145/2902251.2902297},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/GuagliardoL16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/rr/Libkin16,
  author       = {Leonid Libkin},
  editor       = {Magdalena Ortiz and
                  Stefan Schlobach},
  title        = {Negative Knowledge for Certain Query Answers},
  booktitle    = {Web Reasoning and Rule Systems - 10th International Conference, {RR}
                  2016, Aberdeen, UK, September 9-11, 2016, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {9898},
  pages        = {111--127},
  publisher    = {Springer},
  year         = {2016},
  url          = {https://doi.org/10.1007/978-3-319-45276-0\_9},
  doi          = {10.1007/978-3-319-45276-0\_9},
  timestamp    = {Mon, 29 Aug 2022 09:33:27 +0200},
  biburl       = {https://dblp.org/rec/conf/rr/Libkin16.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/LibkinTV15,
  author       = {Leonid Libkin and
                  Tony Tan and
                  Domagoj Vrgoc},
  title        = {Regular expressions for data words},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {81},
  number       = {7},
  pages        = {1278--1297},
  year         = {2015},
  url          = {https://doi.org/10.1016/j.jcss.2015.03.005},
  doi          = {10.1016/J.JCSS.2015.03.005},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/LibkinTV15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/mst/FigueiraL15,
  author       = {Diego Figueira and
                  Leonid Libkin},
  title        = {Synchronizing Relations on Words},
  journal      = {Theory Comput. Syst.},
  volume       = {57},
  number       = {2},
  pages        = {287--318},
  year         = {2015},
  url          = {https://doi.org/10.1007/s00224-014-9584-2},
  doi          = {10.1007/S00224-014-9584-2},
  timestamp    = {Thu, 23 Jun 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/mst/FigueiraL15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/mst/GheerbrantL15,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin},
  title        = {Certain Answers over Incomplete {XML} Documents: Extending Tractability
                  Boundary},
  journal      = {Theory Comput. Syst.},
  volume       = {57},
  number       = {4},
  pages        = {892--926},
  year         = {2015},
  url          = {https://doi.org/10.1007/s00224-014-9596-y},
  doi          = {10.1007/S00224-014-9596-Y},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/mst/GheerbrantL15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/Libkin15,
  author       = {Leonid Libkin},
  editor       = {Marcelo Arenas and
                  Mart{\'{\i}}n Ugarte},
  title        = {SQL's Three-Valued Logic and Certain Answers},
  booktitle    = {18th International Conference on Database Theory, {ICDT} 2015, March
                  23-27, 2015, Brussels, Belgium},
  series       = {LIPIcs},
  volume       = {31},
  pages        = {94--109},
  publisher    = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
  year         = {2015},
  url          = {https://doi.org/10.4230/LIPIcs.ICDT.2015.94},
  doi          = {10.4230/LIPICS.ICDT.2015.94},
  timestamp    = {Tue, 11 Feb 2020 15:52:14 +0100},
  biburl       = {https://dblp.org/rec/conf/icdt/Libkin15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/ijcai/Libkin15,
  author       = {Leonid Libkin},
  editor       = {Qiang Yang and
                  Michael J. Wooldridge},
  title        = {How to Define Certain Answers},
  booktitle    = {Proceedings of the Twenty-Fourth International Joint Conference on
                  Artificial Intelligence, {IJCAI} 2015, Buenos Aires, Argentina, July
                  25-31, 2015},
  pages        = {4282--4288},
  publisher    = {{AAAI} Press},
  year         = {2015},
  url          = {http://ijcai.org/Abstract/15/609},
  timestamp    = {Tue, 20 Aug 2019 16:16:43 +0200},
  biburl       = {https://dblp.org/rec/conf/ijcai/Libkin15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/FigueiraL15,
  author       = {Diego Figueira and
                  Leonid Libkin},
  title        = {Path Logics for Querying Graphs: Combining Expressiveness and Efficiency},
  booktitle    = {30th Annual {ACM/IEEE} Symposium on Logic in Computer Science, {LICS}
                  2015, Kyoto, Japan, July 6-10, 2015},
  pages        = {329--340},
  publisher    = {{IEEE} Computer Society},
  year         = {2015},
  url          = {https://doi.org/10.1109/LICS.2015.39},
  doi          = {10.1109/LICS.2015.39},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/FigueiraL15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sebd/Libkin15,
  author       = {Leonid Libkin},
  editor       = {Domenico Lembo and
                  Riccardo Torlone and
                  Andrea Marrella},
  title        = {SQL's Handling of Nulls: Can It Be Fixed?},
  booktitle    = {23rd Italian Symposium on Advanced Database Systems, {SEBD} 2015,
                  Gaeta, Italy, June 14-17, 2015},
  pages        = {7--10},
  publisher    = {Curran Associates, Inc.},
  year         = {2015},
  timestamp    = {Mon, 18 Jan 2016 13:34:08 +0100},
  biburl       = {https://dblp.org/rec/conf/sebd/Libkin15.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@book{DBLP:books/cu/ArenasBLM2014,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Filip Murlak},
  title        = {Foundations of Data Exchange},
  publisher    = {Cambridge University Press},
  year         = {2014},
  url          = {http://www.cambridge.org/9781107016163},
  isbn         = {9781107016163},
  timestamp    = {Fri, 21 Mar 2014 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/books/cu/ArenasBLM2014.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/BarceloLR14,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Juan L. Reutter},
  title        = {Querying Regular Graph Patterns},
  journal      = {J. {ACM}},
  volume       = {61},
  number       = {1},
  pages        = {8:1--8:54},
  year         = {2014},
  url          = {https://doi.org/10.1145/2559905},
  doi          = {10.1145/2559905},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/BarceloLR14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/AmanoDLM14,
  author       = {Shun'ichi Amano and
                  Claire David and
                  Leonid Libkin and
                  Filip Murlak},
  title        = {{XML} Schema Mappings: Data Exchange and Metadata Management},
  journal      = {J. {ACM}},
  volume       = {61},
  number       = {2},
  pages        = {12:1--12:48},
  year         = {2014},
  url          = {https://doi.org/10.1145/2590773},
  doi          = {10.1145/2590773},
  timestamp    = {Sun, 22 Oct 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/AmanoDLM14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/siamcomp/BarceloL014,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Miguel Romero},
  title        = {Efficient Approximations of Conjunctive Queries},
  journal      = {{SIAM} J. Comput.},
  volume       = {43},
  number       = {3},
  pages        = {1085--1130},
  year         = {2014},
  url          = {https://doi.org/10.1137/130911731},
  doi          = {10.1137/130911731},
  timestamp    = {Sun, 12 Nov 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/siamcomp/BarceloL014.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/GheerbrantLS14,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Cristina Sirangelo},
  title        = {Na{\"{\i}}ve Evaluation of Queries over Incomplete Databases},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {39},
  number       = {4},
  pages        = {31:1--31:42},
  year         = {2014},
  url          = {https://doi.org/10.1145/2691190.2691194},
  doi          = {10.1145/2691190.2691194},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/GheerbrantLS14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/csl/FigueiraL14,
  author       = {Diego Figueira and
                  Leonid Libkin},
  editor       = {Thomas A. Henzinger and
                  Dale Miller},
  title        = {Pattern logics and auxiliary relations},
  booktitle    = {Joint Meeting of the Twenty-Third {EACSL} Annual Conference on Computer
                  Science Logic {(CSL)} and the Twenty-Ninth Annual {ACM/IEEE} Symposium
                  on Logic in Computer Science (LICS), {CSL-LICS} '14, Vienna, Austria,
                  July 14 - 18, 2014},
  pages        = {40:1--40:10},
  publisher    = {{ACM}},
  year         = {2014},
  url          = {https://doi.org/10.1145/2603088.2603136},
  doi          = {10.1145/2603088.2603136},
  timestamp    = {Thu, 23 Jun 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/csl/FigueiraL14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/kr/Libkin14,
  author       = {Leonid Libkin},
  editor       = {Chitta Baral and
                  Giuseppe De Giacomo and
                  Thomas Eiter},
  title        = {Certain Answers as Objects and Knowledge},
  booktitle    = {Principles of Knowledge Representation and Reasoning: Proceedings
                  of the Fourteenth International Conference, {KR} 2014, Vienna, Austria,
                  July 20-24, 2014},
  publisher    = {{AAAI} Press},
  year         = {2014},
  url          = {http://www.aaai.org/ocs/index.php/KR/KR14/paper/view/7893},
  timestamp    = {Tue, 09 Feb 2021 08:33:43 +0100},
  biburl       = {https://dblp.org/rec/conf/kr/Libkin14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin14,
  author       = {Leonid Libkin},
  editor       = {Richard Hull and
                  Martin Grohe},
  title        = {Incomplete data: what went wrong, and how to fix it},
  booktitle    = {Proceedings of the 33rd {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, PODS'14, Snowbird, UT, USA, June 22-27,
                  2014},
  pages        = {1--13},
  publisher    = {{ACM}},
  year         = {2014},
  url          = {https://doi.org/10.1145/2594538.2594561},
  doi          = {10.1145/2594538.2594561},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/FanGL14,
  author       = {Wenfei Fan and
                  Floris Geerts and
                  Leonid Libkin},
  editor       = {Richard Hull and
                  Martin Grohe},
  title        = {On scale independence for querying big data},
  booktitle    = {Proceedings of the 33rd {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, PODS'14, Snowbird, UT, USA, June 22-27,
                  2014},
  pages        = {51--62},
  publisher    = {{ACM}},
  year         = {2014},
  url          = {https://doi.org/10.1145/2594538.2594551},
  doi          = {10.1145/2594538.2594551},
  timestamp    = {Tue, 29 Dec 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/FanGL14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/stacs/FigueiraL14,
  author       = {Diego Figueira and
                  Leonid Libkin},
  editor       = {Ernst W. Mayr and
                  Natacha Portier},
  title        = {Synchronizing Relations on Words},
  booktitle    = {31st International Symposium on Theoretical Aspects of Computer Science
                  {(STACS} 2014), {STACS} 2014, March 5-8, 2014, Lyon, France},
  series       = {LIPIcs},
  volume       = {25},
  pages        = {518--529},
  publisher    = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
  year         = {2014},
  url          = {https://doi.org/10.4230/LIPIcs.STACS.2014.518},
  doi          = {10.4230/LIPICS.STACS.2014.518},
  timestamp    = {Tue, 11 Feb 2020 15:52:14 +0100},
  biburl       = {https://dblp.org/rec/conf/stacs/FigueiraL14.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-1304-4150,
  author       = {Pablo Barcel{\'{o}} and
                  Diego Figueira and
                  Leonid Libkin},
  title        = {Graph Logics with Rational Relations},
  journal      = {Log. Methods Comput. Sci.},
  volume       = {9},
  number       = {3},
  year         = {2013},
  url          = {https://doi.org/10.2168/LMCS-9(3:1)2013},
  doi          = {10.2168/LMCS-9(3:1)2013},
  timestamp    = {Thu, 23 Jun 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-1304-4150.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/iandc/ArenasBFL13,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Ronald Fagin and
                  Leonid Libkin},
  title        = {Solutions and query rewriting in data exchange},
  journal      = {Inf. Comput.},
  volume       = {228},
  pages        = {28--61},
  year         = {2013},
  url          = {https://doi.org/10.1016/j.ic.2013.06.002},
  doi          = {10.1016/J.IC.2013.06.002},
  timestamp    = {Fri, 12 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/iandc/ArenasBFL13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/DengFLW13,
  author       = {Ting Deng and
                  Wenfei Fan and
                  Leonid Libkin and
                  Yinghui Wu},
  title        = {On the aggregation problem for synthesized Web services},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {79},
  number       = {6},
  pages        = {873--891},
  year         = {2013},
  url          = {https://doi.org/10.1016/j.jcss.2013.01.007},
  doi          = {10.1016/J.JCSS.2013.01.007},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/DengFLW13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/BarceloRL13,
  author       = {Pablo Barcel{\'{o}} and
                  Juan L. Reutter and
                  Leonid Libkin},
  title        = {Parameterized regular expressions and their languages},
  journal      = {Theor. Comput. Sci.},
  volume       = {474},
  pages        = {21--45},
  year         = {2013},
  url          = {https://doi.org/10.1016/j.tcs.2012.12.036},
  doi          = {10.1016/J.TCS.2012.12.036},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tcs/BarceloRL13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/birthday/GheerbrantLR13,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Juan L. Reutter},
  editor       = {Val Tannen and
                  Limsoon Wong and
                  Leonid Libkin and
                  Wenfei Fan and
                  Wang{-}Chiew Tan and
                  Michael P. Fourman},
  title        = {Static Analysis and Query Answering for Incomplete Data Trees with
                  Constraints},
  booktitle    = {In Search of Elegance in the Theory and Practice of Computation -
                  Essays Dedicated to Peter Buneman},
  series       = {Lecture Notes in Computer Science},
  volume       = {8000},
  pages        = {273--290},
  publisher    = {Springer},
  year         = {2013},
  url          = {https://doi.org/10.1007/978-3-642-41660-6\_15},
  doi          = {10.1007/978-3-642-41660-6\_15},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/birthday/GheerbrantLR13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dlt/LibkinTV13,
  author       = {Leonid Libkin and
                  Tony Tan and
                  Domagoj Vrgoc},
  editor       = {Marie{-}Pierre B{\'{e}}al and
                  Olivier Carton},
  title        = {Regular Expressions with Binding over Data Words for Querying Graph
                  Databases},
  booktitle    = {Developments in Language Theory - 17th International Conference, {DLT}
                  2013, Marne-la-Vall{\'{e}}e, France, June 18-21, 2013. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {7907},
  pages        = {325--337},
  publisher    = {Springer},
  year         = {2013},
  url          = {https://doi.org/10.1007/978-3-642-38771-5\_29},
  doi          = {10.1007/978-3-642-38771-5\_29},
  timestamp    = {Sat, 19 Oct 2019 20:07:57 +0200},
  biburl       = {https://dblp.org/rec/conf/dlt/LibkinTV13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/LibkinMV13,
  author       = {Leonid Libkin and
                  Wim Martens and
                  Domagoj Vrgoc},
  editor       = {Wang{-}Chiew Tan and
                  Giovanna Guerrini and
                  Barbara Catania and
                  Anastasios Gounaris},
  title        = {Querying graph databases with XPath},
  booktitle    = {Joint 2013 {EDBT/ICDT} Conferences, {ICDT} '13 Proceedings, Genoa,
                  Italy, March 18-22, 2013},
  pages        = {129--140},
  publisher    = {{ACM}},
  year         = {2013},
  url          = {https://doi.org/10.1145/2448496.2448513},
  doi          = {10.1145/2448496.2448513},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/LibkinMV13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/DavidGLM13,
  author       = {Claire David and
                  Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Wim Martens},
  editor       = {Wang{-}Chiew Tan and
                  Giovanna Guerrini and
                  Barbara Catania and
                  Anastasios Gounaris},
  title        = {Containment of pattern-based queries over data trees},
  booktitle    = {Joint 2013 {EDBT/ICDT} Conferences, {ICDT} '13 Proceedings, Genoa,
                  Italy, March 18-22, 2013},
  pages        = {201--212},
  publisher    = {{ACM}},
  year         = {2013},
  url          = {https://doi.org/10.1145/2448496.2448521},
  doi          = {10.1145/2448496.2448521},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/DavidGLM13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/GheerbrantLS13,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Cristina Sirangelo},
  editor       = {Richard Hull and
                  Wenfei Fan},
  title        = {When is naive evaluation possible?},
  booktitle    = {Proceedings of the 32nd {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, {PODS} 2013, New York, NY, {USA} -
                  June 22 - 27, 2013},
  pages        = {75--86},
  publisher    = {{ACM}},
  year         = {2013},
  url          = {https://doi.org/10.1145/2463664.2463674},
  doi          = {10.1145/2463664.2463674},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/GheerbrantLS13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinRV13,
  author       = {Leonid Libkin and
                  Juan L. Reutter and
                  Domagoj Vrgoc},
  editor       = {Richard Hull and
                  Wenfei Fan},
  title        = {Trial for {RDF:} adapting graph query languages for {RDF} data},
  booktitle    = {Proceedings of the 32nd {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, {PODS} 2013, New York, NY, {USA} -
                  June 22 - 27, 2013},
  pages        = {201--212},
  publisher    = {{ACM}},
  year         = {2013},
  url          = {https://doi.org/10.1145/2463664.2465226},
  doi          = {10.1145/2463664.2465226},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinRV13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/rr/GheerbrantLS13,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Cristina Sirangelo},
  editor       = {Wolfgang Faber and
                  Domenico Lembo},
  title        = {Reasoning About Pattern-Based {XML} Queries},
  booktitle    = {Web Reasoning and Rule Systems - 7th International Conference, {RR}
                  2013, Mannheim, Germany, July 27-29, 2013. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {7994},
  pages        = {4--18},
  publisher    = {Springer},
  year         = {2013},
  url          = {https://doi.org/10.1007/978-3-642-39666-3\_2},
  doi          = {10.1007/978-3-642-39666-3\_2},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/rr/GheerbrantLS13.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/birthday/2013buneman,
  editor       = {Val Tannen and
                  Limsoon Wong and
                  Leonid Libkin and
                  Wenfei Fan and
                  Wang{-}Chiew Tan and
                  Michael P. Fourman},
  title        = {In Search of Elegance in the Theory and Practice of Computation -
                  Essays Dedicated to Peter Buneman},
  series       = {Lecture Notes in Computer Science},
  volume       = {8000},
  publisher    = {Springer},
  year         = {2013},
  url          = {https://doi.org/10.1007/978-3-642-41660-6},
  doi          = {10.1007/978-3-642-41660-6},
  isbn         = {978-3-642-41659-0},
  timestamp    = {Tue, 14 May 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/birthday/2013buneman.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/wollic/2013,
  editor       = {Leonid Libkin and
                  Ulrich Kohlenbach and
                  Ruy J. G. B. de Queiroz},
  title        = {Logic, Language, Information, and Computation - 20th International
                  Workshop, WoLLIC 2013, Darmstadt, Germany, August 20-23, 2013. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {8071},
  publisher    = {Springer},
  year         = {2013},
  url          = {https://doi.org/10.1007/978-3-642-39992-3},
  doi          = {10.1007/978-3-642-39992-3},
  isbn         = {978-3-642-39991-6},
  timestamp    = {Tue, 14 May 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/wollic/2013.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/fcsc/ChirkovaLR12,
  author       = {Rada Chirkova and
                  Leonid Libkin and
                  Juan L. Reutter},
  title        = {Tractable {XML} data exchange via relations},
  journal      = {Frontiers Comput. Sci.},
  volume       = {6},
  number       = {3},
  pages        = {243--263},
  year         = {2012},
  url          = {https://doi.org/10.1007/s11704-012-2023-0},
  doi          = {10.1007/S11704-012-2023-0},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/fcsc/ChirkovaLR12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/DavidLT12,
  author       = {Claire David and
                  Leonid Libkin and
                  Tony Tan},
  title        = {Efficient reasoning about data trees via integer linear programming},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {37},
  number       = {3},
  pages        = {19:1--19:28},
  year         = {2012},
  url          = {https://doi.org/10.1145/2338626.2338632},
  doi          = {10.1145/2338626.2338632},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/DavidLT12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/BarceloLLW12,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Anthony Widjaja Lin and
                  Peter T. Wood},
  title        = {Expressive Languages for Path Queries over Graph-Structured Data},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {37},
  number       = {4},
  pages        = {31:1--31:46},
  year         = {2012},
  url          = {https://doi.org/10.1145/2389241.2389250},
  doi          = {10.1145/2389241.2389250},
  timestamp    = {Mon, 28 Aug 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/BarceloLLW12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/BarceloLR12,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Miguel Romero},
  editor       = {Juliana Freire and
                  Dan Suciu},
  title        = {On Low Treewidth Approximations of Conjunctive Queries},
  booktitle    = {Proceedings of the 6th Alberto Mendelzon International Workshop on
                  Foundations of Data Management, Ouro Preto, Brazil, June 27-30, 2012},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {866},
  pages        = {91--101},
  publisher    = {CEUR-WS.org},
  year         = {2012},
  url          = {https://ceur-ws.org/Vol-866/paper6.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:19 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/BarceloLR12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/LibkinV12,
  author       = {Leonid Libkin and
                  Domagoj Vrgoc},
  editor       = {Alin Deutsch},
  title        = {Regular path queries on graphs with data},
  booktitle    = {15th International Conference on Database Theory, {ICDT} '12, Berlin,
                  Germany, March 26-29, 2012},
  pages        = {74--85},
  publisher    = {{ACM}},
  year         = {2012},
  url          = {https://doi.org/10.1145/2274576.2274585},
  doi          = {10.1145/2274576.2274585},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/LibkinV12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/GheerbrantLT12,
  author       = {Am{\'{e}}lie Gheerbrant and
                  Leonid Libkin and
                  Tony Tan},
  editor       = {Alin Deutsch},
  title        = {On the complexity of query answering over incomplete {XML} documents},
  booktitle    = {15th International Conference on Database Theory, {ICDT} '12, Berlin,
                  Germany, March 26-29, 2012},
  pages        = {169--181},
  publisher    = {{ACM}},
  year         = {2012},
  url          = {https://doi.org/10.1145/2274576.2274595},
  doi          = {10.1145/2274576.2274595},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/GheerbrantLT12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/BarceloFL12,
  author       = {Pablo Barcel{\'{o}} and
                  Diego Figueira and
                  Leonid Libkin},
  title        = {Graph Logics with Rational Relations and the Generalized Intersection
                  Problem},
  booktitle    = {Proceedings of the 27th Annual {IEEE} Symposium on Logic in Computer
                  Science, {LICS} 2012, Dubrovnik, Croatia, June 25-28, 2012},
  pages        = {115--124},
  publisher    = {{IEEE} Computer Society},
  year         = {2012},
  url          = {https://doi.org/10.1109/LICS.2012.23},
  doi          = {10.1109/LICS.2012.23},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/BarceloFL12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lpar/LibkinV12,
  author       = {Leonid Libkin and
                  Domagoj Vrgoc},
  editor       = {Nikolaj S. Bj{\o}rner and
                  Andrei Voronkov},
  title        = {Regular Expressions for Data Words},
  booktitle    = {Logic for Programming, Artificial Intelligence, and Reasoning - 18th
                  International Conference, LPAR-18, M{\'{e}}rida, Venezuela, March
                  11-15, 2012. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {7180},
  pages        = {274--288},
  publisher    = {Springer},
  year         = {2012},
  url          = {https://doi.org/10.1007/978-3-642-28717-6\_22},
  doi          = {10.1007/978-3-642-28717-6\_22},
  timestamp    = {Thu, 14 Apr 2022 20:26:15 +0200},
  biburl       = {https://dblp.org/rec/conf/lpar/LibkinV12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BarceloLR12,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Miguel Romero},
  editor       = {Michael Benedikt and
                  Markus Kr{\"{o}}tzsch and
                  Maurizio Lenzerini},
  title        = {Efficient approximations of conjunctive queries},
  booktitle    = {Proceedings of the 31st {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, {PODS} 2012, Scottsdale, AZ, USA,
                  May 20-24, 2012},
  pages        = {249--260},
  publisher    = {{ACM}},
  year         = {2012},
  url          = {https://doi.org/10.1145/2213556.2213591},
  doi          = {10.1145/2213556.2213591},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/BarceloLR12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/LibkinS11,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  title        = {Data exchange and schema mappings in open and closed worlds},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {77},
  number       = {3},
  pages        = {542--571},
  year         = {2011},
  url          = {https://doi.org/10.1016/j.jcss.2010.04.010},
  doi          = {10.1016/J.JCSS.2010.04.010},
  timestamp    = {Mon, 28 Aug 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jcss/LibkinS11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/mst/ArenasBL11,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  title        = {Regular Languages of Nested Words: Fixed Points, Automata, and Synchronization},
  journal      = {Theory Comput. Syst.},
  volume       = {49},
  number       = {3},
  pages        = {639--670},
  year         = {2011},
  url          = {https://doi.org/10.1007/s00224-010-9292-5},
  doi          = {10.1007/S00224-010-9292-5},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/mst/ArenasBL11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/HernichLS11,
  author       = {Andr{\'{e}} Hernich and
                  Leonid Libkin and
                  Nicole Schweikardt},
  title        = {Closed world data exchange},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {36},
  number       = {2},
  pages        = {14:1--14:40},
  year         = {2011},
  url          = {https://doi.org/10.1145/1966385.1966392},
  doi          = {10.1145/1966385.1966392},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/HernichLS11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/FrancisDL11,
  author       = {Nadime Francis and
                  Claire David and
                  Leonid Libkin},
  editor       = {Pablo Barcel{\'{o}} and
                  Val Tannen},
  title        = {A Direct Translation from XPath to Nondeterministic Automata},
  booktitle    = {Proceedings of the 5th Alberto Mendelzon International Workshop on
                  Foundations of Data Management, Santiago, Chile, May 9-12, 2011},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {749},
  publisher    = {CEUR-WS.org},
  year         = {2011},
  url          = {https://ceur-ws.org/Vol-749/paper7.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:19 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/FrancisDL11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/cikm/ChirkovaLR11,
  author       = {Rada Chirkova and
                  Leonid Libkin and
                  Juan L. Reutter},
  editor       = {Craig Macdonald and
                  Iadh Ounis and
                  Ian Ruthven},
  title        = {Tractable {XML} data exchange via relations},
  booktitle    = {Proceedings of the 20th {ACM} Conference on Information and Knowledge
                  Management, {CIKM} 2011, Glasgow, United Kingdom, October 24-28, 2011},
  pages        = {1629--1638},
  publisher    = {{ACM}},
  year         = {2011},
  url          = {https://doi.org/10.1145/2063576.2063813},
  doi          = {10.1145/2063576.2063813},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/cikm/ChirkovaLR11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/fsttcs/BarceloLR11,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Juan L. Reutter},
  editor       = {Supratik Chakraborty and
                  Amit Kumar},
  title        = {Parameterized Regular Expressions and Their Languages},
  booktitle    = {{IARCS} Annual Conference on Foundations of Software Technology and
                  Theoretical Computer Science, {FSTTCS} 2011, December 12-14, 2011,
                  Mumbai, India},
  series       = {LIPIcs},
  volume       = {13},
  pages        = {351--362},
  publisher    = {Schloss Dagstuhl - Leibniz-Zentrum f{\"{u}}r Informatik},
  year         = {2011},
  url          = {https://doi.org/10.4230/LIPIcs.FSTTCS.2011.351},
  doi          = {10.4230/LIPICS.FSTTCS.2011.351},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/fsttcs/BarceloLR11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/DavidLT11,
  author       = {Claire David and
                  Leonid Libkin and
                  Tony Tan},
  editor       = {Tova Milo},
  title        = {Efficient reasoning about data trees via integer linear programming},
  booktitle    = {Database Theory - {ICDT} 2011, 14th International Conference, Uppsala,
                  Sweden, March 21-24, 2011, Proceedings},
  pages        = {18--29},
  publisher    = {{ACM}},
  year         = {2011},
  url          = {https://doi.org/10.1145/1938551.1938558},
  doi          = {10.1145/1938551.1938558},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/DavidLT11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin11,
  author       = {Leonid Libkin},
  editor       = {Maurizio Lenzerini and
                  Thomas Schwentick},
  title        = {Incomplete information and certain answers in general data models},
  booktitle    = {Proceedings of the 30th {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, {PODS} 2011, June 12-16, 2011, Athens,
                  Greece},
  pages        = {59--70},
  publisher    = {{ACM}},
  year         = {2011},
  url          = {https://doi.org/10.1145/1989284.1989294},
  doi          = {10.1145/1989284.1989294},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BarceloLR11,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Juan L. Reutter},
  editor       = {Maurizio Lenzerini and
                  Thomas Schwentick},
  title        = {Querying graph patterns},
  booktitle    = {Proceedings of the 30th {ACM} {SIGMOD-SIGACT-SIGART} Symposium on
                  Principles of Database Systems, {PODS} 2011, June 12-16, 2011, Athens,
                  Greece},
  pages        = {199--210},
  publisher    = {{ACM}},
  year         = {2011},
  url          = {https://doi.org/10.1145/1989284.1989307},
  doi          = {10.1145/1989284.1989307},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/BarceloLR11.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-1107-0577,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Juan L. Reutter},
  title        = {Parameterized Regular Expressions and their Languages},
  journal      = {CoRR},
  volume       = {abs/1107.0577},
  year         = {2011},
  url          = {http://arxiv.org/abs/1107.0577},
  eprinttype    = {arXiv},
  eprint       = {1107.0577},
  timestamp    = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-1107-0577.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@book{DBLP:series/synthesis/2010Arenas,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Filip Murlak},
  title        = {Relational and {XML} Data Exchange},
  series       = {Synthesis Lectures on Data Management},
  publisher    = {Morgan {\&} Claypool Publishers},
  year         = {2010},
  url          = {https://doi.org/10.2200/S00297ED1V01Y201008DTM008},
  doi          = {10.2200/S00297ED1V01Y201008DTM008},
  isbn         = {978-3-031-00712-5},
  timestamp    = {Thu, 19 Oct 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/series/synthesis/2010Arenas.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ipl/LibkinS10,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  title        = {Disjoint pattern matching and implication in strings},
  journal      = {Inf. Process. Lett.},
  volume       = {110},
  number       = {4},
  pages        = {143--147},
  year         = {2010},
  url          = {https://doi.org/10.1016/j.ipl.2009.11.009},
  doi          = {10.1016/J.IPL.2009.11.009},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ipl/LibkinS10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/BarceloLPS10,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Antonella Poggi and
                  Cristina Sirangelo},
  title        = {{XML} with incomplete information},
  journal      = {J. {ACM}},
  volume       = {58},
  number       = {1},
  pages        = {4:1--4:62},
  year         = {2010},
  url          = {https://doi.org/10.1145/1870103.1870107},
  doi          = {10.1145/1870103.1870107},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/BarceloLPS10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/japll/LibkinS10,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  title        = {Reasoning about {XML} with temporal logics and automata},
  journal      = {J. Appl. Log.},
  volume       = {8},
  number       = {2},
  pages        = {210--232},
  year         = {2010},
  url          = {https://doi.org/10.1016/j.jal.2009.09.005},
  doi          = {10.1016/J.JAL.2009.09.005},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/japll/LibkinS10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/KolahiL10,
  author       = {Solmaz Kolahi and
                  Leonid Libkin},
  title        = {An information-theoretic analysis of worst-case redundancy in database
                  design},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {35},
  number       = {1},
  pages        = {5:1--5:32},
  year         = {2010},
  url          = {https://doi.org/10.1145/1670243.1670248},
  doi          = {10.1145/1670243.1670248},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/KolahiL10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/amw/BarceloLR10,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Juan L. Reutter},
  editor       = {Alberto H. F. Laender and
                  Laks V. S. Lakshmanan},
  title        = {On Incomplete {XML} Documents with Integrity Constraints},
  booktitle    = {Proceedings of the 4th Alberto Mendelzon International Workshop on
                  Foundations of Data Management, Buenos Aires, Argentina, May 17-20,
                  2010},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {619},
  publisher    = {CEUR-WS.org},
  year         = {2010},
  url          = {https://ceur-ws.org/Vol-619/paper8.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:19 +0100},
  biburl       = {https://dblp.org/rec/conf/amw/BarceloLR10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/fossacs/ToL10,
  author       = {Anthony Widjaja To and
                  Leonid Libkin},
  editor       = {C.{-}H. Luke Ong},
  title        = {Algorithmic Metatheorems for Decidable {LTL} Model Checking over Infinite
                  Systems},
  booktitle    = {Foundations of Software Science and Computational Structures, 13th
                  International Conference, {FOSSACS} 2010, Held as Part of the Joint
                  European Conferences on Theory and Practice of Software, {ETAPS} 2010,
                  Paphos, Cyprus, March 20-28, 2010. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {6014},
  pages        = {221--236},
  publisher    = {Springer},
  year         = {2010},
  url          = {https://doi.org/10.1007/978-3-642-12032-9\_16},
  doi          = {10.1007/978-3-642-12032-9\_16},
  timestamp    = {Wed, 16 Mar 2022 23:55:17 +0100},
  biburl       = {https://dblp.org/rec/conf/fossacs/ToL10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/AmanoDLM10,
  author       = {Shun'ichi Amano and
                  Claire David and
                  Leonid Libkin and
                  Filip Murlak},
  editor       = {Luc Segoufin},
  title        = {On the tradeoff between mapping and querying power in {XML} data exchange},
  booktitle    = {Database Theory - {ICDT} 2010, 13th International Conference, Lausanne,
                  Switzerland, March 23-25, 2010, Proceedings},
  series       = {{ACM} International Conference Proceeding Series},
  pages        = {155--164},
  publisher    = {{ACM}},
  year         = {2010},
  url          = {https://doi.org/10.1145/1804669.1804689},
  doi          = {10.1145/1804669.1804689},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/AmanoDLM10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/DengFLW10,
  author       = {Ting Deng and
                  Wenfei Fan and
                  Leonid Libkin and
                  Yinghui Wu},
  editor       = {Luc Segoufin},
  title        = {On the aggregation problem for synthesized web services},
  booktitle    = {Database Theory - {ICDT} 2010, 13th International Conference, Lausanne,
                  Switzerland, March 23-25, 2010, Proceedings},
  series       = {{ACM} International Conference Proceeding Series},
  pages        = {242--251},
  publisher    = {{ACM}},
  year         = {2010},
  url          = {https://doi.org/10.1145/1804669.1804700},
  doi          = {10.1145/1804669.1804700},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/DengFLW10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lpar/DavidLT10,
  author       = {Claire David and
                  Leonid Libkin and
                  Tony Tan},
  editor       = {Christian G. Ferm{\"{u}}ller and
                  Andrei Voronkov},
  title        = {On the Satisfiability of Two-Variable Logic over Data Words},
  booktitle    = {Logic for Programming, Artificial Intelligence, and Reasoning - 17th
                  International Conference, LPAR-17, Yogyakarta, Indonesia, October
                  10-15, 2010. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {6397},
  pages        = {248--262},
  publisher    = {Springer},
  year         = {2010},
  url          = {https://doi.org/10.1007/978-3-642-16242-8\_18},
  doi          = {10.1007/978-3-642-16242-8\_18},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/lpar/DavidLT10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BarceloHLW10,
  author       = {Pablo Barcel{\'{o}} and
                  Carlos A. Hurtado and
                  Leonid Libkin and
                  Peter T. Wood},
  editor       = {Jan Paredaens and
                  Dirk Van Gucht},
  title        = {Expressive languages for path queries over graph-structured data},
  booktitle    = {Proceedings of the Twenty-Ninth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2010, June 6-11, 2010, Indianapolis,
                  Indiana, {USA}},
  pages        = {3--14},
  publisher    = {{ACM}},
  year         = {2010},
  url          = {https://doi.org/10.1145/1807085.1807089},
  doi          = {10.1145/1807085.1807089},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BarceloHLW10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/DavidLM10,
  author       = {Claire David and
                  Leonid Libkin and
                  Filip Murlak},
  editor       = {Jan Paredaens and
                  Dirk Van Gucht},
  title        = {Certain answers for {XML} queries},
  booktitle    = {Proceedings of the Twenty-Ninth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2010, June 6-11, 2010, Indianapolis,
                  Indiana, {USA}},
  pages        = {191--202},
  publisher    = {{ACM}},
  year         = {2010},
  url          = {https://doi.org/10.1145/1807085.1807112},
  doi          = {10.1145/1807085.1807112},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/DavidLM10.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/LibkinV09,
  author       = {Leonid Libkin and
                  Victor Vianu},
  title        = {Introduction to {PODS} 2007 special section},
  journal      = {J. {ACM}},
  volume       = {56},
  number       = {6},
  pages        = {29:1},
  year         = {2009},
  url          = {https://doi.org/10.1145/1568318.1568319},
  doi          = {10.1145/1568318.1568319},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jacm/LibkinV09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dlog/Libkin09,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  editor       = {Bernardo Cuenca Grau and
                  Ian Horrocks and
                  Boris Motik and
                  Ulrike Sattler},
  title        = {Open and Closed World Assumptions in Data Exchange},
  booktitle    = {Proceedings of the 22nd International Workshop on Description Logics
                  {(DL} 2009), Oxford, UK, July 27-30, 2009},
  series       = {{CEUR} Workshop Proceedings},
  volume       = {477},
  publisher    = {CEUR-WS.org},
  year         = {2009},
  url          = {https://ceur-ws.org/Vol-477/invited\_3.pdf},
  timestamp    = {Fri, 10 Mar 2023 16:23:16 +0100},
  biburl       = {https://dblp.org/rec/conf/dlog/Libkin09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/AmanoLM09,
  author       = {Shun'ichi Amano and
                  Leonid Libkin and
                  Filip Murlak},
  editor       = {Jan Paredaens and
                  Jianwen Su},
  title        = {{XML} schema mappings},
  booktitle    = {Proceedings of the Twenty-Eigth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2009, June 19 - July 1,
                  2009, Providence, Rhode Island, {USA}},
  pages        = {33--42},
  publisher    = {{ACM}},
  year         = {2009},
  url          = {https://doi.org/10.1145/1559795.1559801},
  doi          = {10.1145/1559795.1559801},
  timestamp    = {Fri, 09 Apr 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/AmanoLM09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin09,
  author       = {Leonid Libkin},
  editor       = {Jan Paredaens and
                  Jianwen Su},
  title        = {The finite model theory toolbox of a database theoretician},
  booktitle    = {Proceedings of the Twenty-Eigth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2009, June 19 - July 1,
                  2009, Providence, Rhode Island, {USA}},
  pages        = {65--76},
  publisher    = {{ACM}},
  year         = {2009},
  url          = {https://doi.org/10.1145/1559795.1559807},
  doi          = {10.1145/1559795.1559807},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BarceloLPS09,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin and
                  Antonella Poggi and
                  Cristina Sirangelo},
  editor       = {Jan Paredaens and
                  Jianwen Su},
  title        = {{XML} with incomplete information: models, properties, and query answering},
  booktitle    = {Proceedings of the Twenty-Eigth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2009, June 19 - July 1,
                  2009, Providence, Rhode Island, {USA}},
  pages        = {237--246},
  publisher    = {{ACM}},
  year         = {2009},
  url          = {https://doi.org/10.1145/1559795.1559832},
  doi          = {10.1145/1559795.1559832},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/BarceloLPS09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:reference/db/Libkin09,
  author       = {Leonid Libkin},
  editor       = {Ling Liu and
                  M. Tamer {\"{O}}zsu},
  title        = {Expressive Power of Query Languages},
  booktitle    = {Encyclopedia of Database Systems},
  pages        = {1081--1083},
  publisher    = {Springer {US}},
  year         = {2009},
  url          = {https://doi.org/10.1007/978-0-387-39940-9\_1239},
  doi          = {10.1007/978-0-387-39940-9\_1239},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/reference/db/Libkin09.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-0910-4932,
  author       = {Anthony Widjaja To and
                  Leonid Libkin},
  title        = {Algorithmic metatheorems for decidable {LTL} model checking over infinite
                  systems},
  journal      = {CoRR},
  volume       = {abs/0910.4932},
  year         = {2009},
  url          = {http://arxiv.org/abs/0910.4932},
  eprinttype    = {arXiv},
  eprint       = {0910.4932},
  timestamp    = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-0910-4932.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/apal/ArenasBL08,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  title        = {Game-based notions of locality over finite models},
  journal      = {Ann. Pure Appl. Log.},
  volume       = {152},
  number       = {1-3},
  pages        = {3--30},
  year         = {2008},
  url          = {https://doi.org/10.1016/j.apal.2007.11.012},
  doi          = {10.1016/J.APAL.2007.11.012},
  timestamp    = {Fri, 21 Feb 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/apal/ArenasBL08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/ArenasL08,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  title        = {{XML} data exchange: Consistency and query answering},
  journal      = {J. {ACM}},
  volume       = {55},
  number       = {2},
  pages        = {7:1--7:72},
  year         = {2008},
  url          = {https://doi.org/10.1145/1346330.1346332},
  doi          = {10.1145/1346330.1346332},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/ArenasL08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/lmcs/AlurABEIL08,
  author       = {Rajeev Alur and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Kousha Etessami and
                  Neil Immerman and
                  Leonid Libkin},
  title        = {First-Order and Temporal Logics for Nested Words},
  journal      = {Log. Methods Comput. Sci.},
  volume       = {4},
  number       = {4},
  year         = {2008},
  url          = {https://doi.org/10.2168/LMCS-4(4:11)2008},
  doi          = {10.2168/LMCS-4(4:11)2008},
  timestamp    = {Thu, 25 Jun 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/lmcs/AlurABEIL08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/siamcomp/ArenasFL08,
  author       = {Marcelo Arenas and
                  Wenfei Fan and
                  Leonid Libkin},
  title        = {On the Complexity of Verifying Consistency of {XML} Specifications},
  journal      = {{SIAM} J. Comput.},
  volume       = {38},
  number       = {3},
  pages        = {841--880},
  year         = {2008},
  url          = {https://doi.org/10.1137/050646895},
  doi          = {10.1137/050646895},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/siamcomp/ArenasFL08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/Libkin08,
  author       = {Leonid Libkin},
  title        = {Introduction to the {PODS} 2007 special section},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {33},
  number       = {4},
  pages        = {24:1},
  year         = {2008},
  url          = {https://doi.org/10.1145/1412331.1412336},
  doi          = {10.1145/1412331.1412336},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/Libkin08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lpar/LibkinS08,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  editor       = {Iliano Cervesato and
                  Helmut Veith and
                  Andrei Voronkov},
  title        = {Reasoning about {XML} with Temporal Logics and Automata},
  booktitle    = {Logic for Programming, Artificial Intelligence, and Reasoning, 15th
                  International Conference, {LPAR} 2008, Doha, Qatar, November 22-27,
                  2008. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {5330},
  pages        = {97--112},
  publisher    = {Springer},
  year         = {2008},
  url          = {https://doi.org/10.1007/978-3-540-89439-1\_7},
  doi          = {10.1007/978-3-540-89439-1\_7},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/lpar/LibkinS08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lpar/ToL08,
  author       = {Anthony Widjaja To and
                  Leonid Libkin},
  editor       = {Iliano Cervesato and
                  Helmut Veith and
                  Andrei Voronkov},
  title        = {Recurrent Reachability Analysis in Regular Model Checking},
  booktitle    = {Logic for Programming, Artificial Intelligence, and Reasoning, 15th
                  International Conference, {LPAR} 2008, Doha, Qatar, November 22-27,
                  2008. Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {5330},
  pages        = {198--213},
  publisher    = {Springer},
  year         = {2008},
  url          = {https://doi.org/10.1007/978-3-540-89439-1\_15},
  doi          = {10.1007/978-3-540-89439-1\_15},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/lpar/ToL08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinS08,
  author       = {Leonid Libkin and
                  Cristina Sirangelo},
  editor       = {Maurizio Lenzerini and
                  Domenico Lembo},
  title        = {Data exchange and schema mappings in open and closed worlds},
  booktitle    = {Proceedings of the Twenty-Seventh {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, {PODS} 2008, June 9-11, 2008, Vancouver,
                  BC, Canada},
  pages        = {139--148},
  publisher    = {{ACM}},
  year         = {2008},
  url          = {https://doi.org/10.1145/1376916.1376937},
  doi          = {10.1145/1376916.1376937},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinS08.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-0811-0537,
  author       = {Rajeev Alur and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Kousha Etessami and
                  Neil Immerman and
                  Leonid Libkin},
  title        = {First-Order and Temporal Logics for Nested Words},
  journal      = {CoRR},
  volume       = {abs/0811.0537},
  year         = {2008},
  url          = {http://arxiv.org/abs/0811.0537},
  eprinttype    = {arXiv},
  eprint       = {0811.0537},
  timestamp    = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-0811-0537.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@book{DBLP:series/txtcs/GradelKLMSVVW07,
  author       = {Erich Gr{\"{a}}del and
                  Phokion G. Kolaitis and
                  Leonid Libkin and
                  Maarten Marx and
                  Joel Spencer and
                  Moshe Y. Vardi and
                  Yde Venema and
                  Scott Weinstein},
  title        = {Finite Model Theory and Its Applications},
  series       = {Texts in Theoretical Computer Science. An {EATCS} Series},
  publisher    = {Springer},
  year         = {2007},
  url          = {https://doi.org/10.1007/3-540-68804-8},
  doi          = {10.1007/3-540-68804-8},
  isbn         = {978-3-540-00428-8},
  timestamp    = {Sun, 02 Jun 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/series/txtcs/GradelKLMSVVW07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/EiterL07,
  author       = {Thomas Eiter and
                  Leonid Libkin},
  title        = {Preface},
  journal      = {Theor. Comput. Sci.},
  volume       = {371},
  number       = {3},
  pages        = {147},
  year         = {2007},
  url          = {https://doi.org/10.1016/j.tcs.2006.11.004},
  doi          = {10.1016/J.TCS.2006.11.004},
  timestamp    = {Wed, 17 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tcs/EiterL07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tocl/BenediktLN07,
  author       = {Michael Benedikt and
                  Leonid Libkin and
                  Frank Neven},
  title        = {Logical definability and query languages over ranked and unranked
                  trees},
  journal      = {{ACM} Trans. Comput. Log.},
  volume       = {8},
  number       = {2},
  pages        = {11},
  year         = {2007},
  url          = {https://doi.org/10.1145/1227839.1227843},
  doi          = {10.1145/1227839.1227843},
  timestamp    = {Sun, 25 Jul 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tocl/BenediktLN07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icalp/ArenasBL07,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  editor       = {Lars Arge and
                  Christian Cachin and
                  Tomasz Jurdzinski and
                  Andrzej Tarlecki},
  title        = {Regular Languages of Nested Words: Fixed Points, Automata, and Synchronization},
  booktitle    = {Automata, Languages and Programming, 34th International Colloquium,
                  {ICALP} 2007, Wroclaw, Poland, July 9-13, 2007, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {4596},
  pages        = {888--900},
  publisher    = {Springer},
  year         = {2007},
  url          = {https://doi.org/10.1007/978-3-540-73420-8\_76},
  doi          = {10.1007/978-3-540-73420-8\_76},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icalp/ArenasBL07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/ArenasBL07,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  editor       = {Thomas Schwentick and
                  Dan Suciu},
  title        = {Combining Temporal Logics for Querying {XML} Documents},
  booktitle    = {Database Theory - {ICDT} 2007, 11th International Conference, Barcelona,
                  Spain, January 10-12, 2007, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {4353},
  pages        = {359--373},
  publisher    = {Springer},
  year         = {2007},
  url          = {https://doi.org/10.1007/11965893\_25},
  doi          = {10.1007/11965893\_25},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/ArenasBL07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/AlurABEIL07,
  author       = {Rajeev Alur and
                  Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Kousha Etessami and
                  Neil Immerman and
                  Leonid Libkin},
  title        = {First-Order and Temporal Logics for Nested Words},
  booktitle    = {22nd {IEEE} Symposium on Logic in Computer Science {(LICS} 2007),
                  10-12 July 2007, Wroclaw, Poland, Proceedings},
  pages        = {151--160},
  publisher    = {{IEEE} Computer Society},
  year         = {2007},
  url          = {https://doi.org/10.1109/LICS.2007.19},
  doi          = {10.1109/LICS.2007.19},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/AlurABEIL07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/www/KolahiL07,
  author       = {Solmaz Kolahi and
                  Leonid Libkin},
  editor       = {Carey L. Williamson and
                  Mary Ellen Zurko and
                  Peter F. Patel{-}Schneider and
                  Prashant J. Shenoy},
  title        = {{XML} design for relational storage},
  booktitle    = {Proceedings of the 16th International Conference on World Wide Web,
                  {WWW} 2007, Banff, Alberta, Canada, May 8-12, 2007},
  pages        = {1083--1092},
  publisher    = {{ACM}},
  year         = {2007},
  url          = {https://doi.org/10.1145/1242572.1242718},
  doi          = {10.1145/1242572.1242718},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/www/KolahiL07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/xsym/Libkin07,
  author       = {Leonid Libkin},
  editor       = {Denilson Barbosa and
                  Angela Bonifati and
                  Zohra Bellahsene and
                  Ela Hunt and
                  Rainer Unland},
  title        = {Normalization Theory for {XML}},
  booktitle    = {Database and XMLTechnologies, 5th International {XML} Database Symposium,
                  XSym 2007, Vienna, Austria, September 23-24, 2007, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {4704},
  pages        = {1--13},
  publisher    = {Springer},
  year         = {2007},
  url          = {https://doi.org/10.1007/978-3-540-75288-2\_1},
  doi          = {10.1007/978-3-540-75288-2\_1},
  timestamp    = {Fri, 13 Jan 2023 16:47:12 +0100},
  biburl       = {https://dblp.org/rec/conf/xsym/Libkin07.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/pods/2007,
  editor       = {Leonid Libkin},
  title        = {Proceedings of the Twenty-Sixth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 11-13, 2007, Beijing, China},
  publisher    = {{ACM}},
  year         = {2007},
  url          = {http://dl.acm.org/citation.cfm?id=1265530},
  isbn         = {978-1-59593-685-1},
  timestamp    = {Wed, 23 May 2012 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/2007.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/eatcs/Libkin06,
  author       = {Leonid Libkin},
  title        = {Embedded Finite Models},
  journal      = {Bull. {EATCS}},
  volume       = {90},
  pages        = {134--149},
  year         = {2006},
  timestamp    = {Thu, 18 Jun 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/eatcs/Libkin06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/lmcs/Libkin06,
  author       = {Leonid Libkin},
  title        = {Logics for Unranked Trees: An Overview},
  journal      = {Log. Methods Comput. Sci.},
  volume       = {2},
  number       = {3},
  year         = {2006},
  url          = {https://doi.org/10.2168/LMCS-2(3:2)2006},
  doi          = {10.2168/LMCS-2(3:2)2006},
  timestamp    = {Thu, 25 Jun 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/lmcs/Libkin06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/EiterL06,
  author       = {Thomas Eiter and
                  Leonid Libkin},
  title        = {Introduction to special {ICDT} section},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {31},
  number       = {3},
  pages        = {769},
  year         = {2006},
  url          = {https://doi.org/10.1145/1166074.1166075},
  doi          = {10.1145/1166074.1166075},
  timestamp    = {Thu, 09 May 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/EiterL06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin06,
  author       = {Leonid Libkin},
  editor       = {Stijn Vansummeren},
  title        = {Data exchange and incomplete information},
  booktitle    = {Proceedings of the Twenty-Fifth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 26-28, 2006, Chicago, Illinois,
                  {USA}},
  pages        = {60--69},
  publisher    = {{ACM}},
  year         = {2006},
  url          = {https://doi.org/10.1145/1142351.1142360},
  doi          = {10.1145/1142351.1142360},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/KolahiL06,
  author       = {Solmaz Kolahi and
                  Leonid Libkin},
  editor       = {Stijn Vansummeren},
  title        = {On redundancy vs dependency preservation in normalization: an information-theoretic
                  study of 3NF},
  booktitle    = {Proceedings of the Twenty-Fifth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 26-28, 2006, Chicago, Illinois,
                  {USA}},
  pages        = {114--123},
  publisher    = {{ACM}},
  year         = {2006},
  url          = {https://doi.org/10.1145/1142351.1142369},
  doi          = {10.1145/1142351.1142369},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/KolahiL06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/corr/abs-cs-0606062,
  author       = {Leonid Libkin},
  title        = {Logics for Unranked Trees: An Overview},
  journal      = {CoRR},
  volume       = {abs/cs/0606062},
  year         = {2006},
  url          = {http://arxiv.org/abs/cs/0606062},
  eprinttype    = {arXiv},
  eprint       = {cs/0606062},
  timestamp    = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/corr/abs-cs-0606062.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/ArenasL05,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  title        = {An information-theoretic approach to normal forms for relational and
                  {XML} data},
  journal      = {J. {ACM}},
  volume       = {52},
  number       = {2},
  pages        = {246--283},
  year         = {2005},
  url          = {https://doi.org/10.1145/1059513.1059519},
  doi          = {10.1145/1059513.1059519},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/ArenasL05.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dagstuhl/ArenasFL05,
  author       = {Marcelo Arenas and
                  Wenfei Fan and
                  Leonid Libkin},
  editor       = {Leopoldo E. Bertossi and
                  Anthony Hunter and
                  Torsten Schaub},
  title        = {Consistency of {XML} Specifications},
  booktitle    = {Inconsistency Tolerance [result from a Dagstuhl seminar]},
  series       = {Lecture Notes in Computer Science},
  volume       = {3300},
  pages        = {15--41},
  publisher    = {Springer},
  year         = {2005},
  url          = {https://doi.org/10.1007/978-3-540-30597-2\_2},
  doi          = {10.1007/978-3-540-30597-2\_2},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dagstuhl/ArenasFL05.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icalp/Libkin05,
  author       = {Leonid Libkin},
  editor       = {Lu{\'{\i}}s Caires and
                  Giuseppe F. Italiano and
                  Lu{\'{\i}}s Monteiro and
                  Catuscia Palamidessi and
                  Moti Yung},
  title        = {Logics for Unranked Trees: An Overview},
  booktitle    = {Automata, Languages and Programming, 32nd International Colloquium,
                  {ICALP} 2005, Lisbon, Portugal, July 11-15, 2005, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {3580},
  pages        = {35--50},
  publisher    = {Springer},
  year         = {2005},
  url          = {https://doi.org/10.1007/11523468\_4},
  doi          = {10.1007/11523468\_4},
  timestamp    = {Tue, 14 May 2019 10:00:44 +0200},
  biburl       = {https://dblp.org/rec/conf/icalp/Libkin05.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/BarceloL05,
  author       = {Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  title        = {Temporal Logics over Unranked Trees},
  booktitle    = {20th {IEEE} Symposium on Logic in Computer Science {(LICS} 2005),
                  26-29 June 2005, Chicago, IL, USA, Proceedings},
  pages        = {31--40},
  publisher    = {{IEEE} Computer Society},
  year         = {2005},
  url          = {https://doi.org/10.1109/LICS.2005.51},
  doi          = {10.1109/LICS.2005.51},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/BarceloL05.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ArenasL05,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  editor       = {Chen Li},
  title        = {{XML} data exchange: consistency and query answering},
  booktitle    = {Proceedings of the Twenty-fourth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 13-15, 2005, Baltimore, Maryland,
                  {USA}},
  pages        = {13--24},
  publisher    = {{ACM}},
  year         = {2005},
  url          = {https://doi.org/10.1145/1065167.1065171},
  doi          = {10.1145/1065167.1065171},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/ArenasL05.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:journals/entcs/Libkin06,
  author       = {Leonid Libkin},
  editor       = {Ruy J. G. B. de Queiroz and
                  Angus Macintyre and
                  Guilherme Bittencourt},
  title        = {Locality of Queries and Transformations},
  booktitle    = {Proceedings of the 12th Workshop on Logic, Language, Information and
                  Computation, WoLLIC 2005, Florian{\'{o}}polis, Santa Catarina,
                  Brazil, July 19-22, 2005},
  series       = {Electronic Notes in Theoretical Computer Science},
  volume       = {143},
  pages        = {115--127},
  publisher    = {Elsevier},
  year         = {2005},
  url          = {https://doi.org/10.1016/j.entcs.2005.04.041},
  doi          = {10.1016/J.ENTCS.2005.04.041},
  timestamp    = {Mon, 05 Dec 2022 16:35:24 +0100},
  biburl       = {https://dblp.org/rec/journals/entcs/Libkin06.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/icdt/2005,
  editor       = {Thomas Eiter and
                  Leonid Libkin},
  title        = {Database Theory - {ICDT} 2005, 10th International Conference, Edinburgh,
                  UK, January 5-7, 2005, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {3363},
  publisher    = {Springer},
  year         = {2005},
  url          = {https://doi.org/10.1007/b104421},
  doi          = {10.1007/B104421},
  isbn         = {3-540-24288-0},
  timestamp    = {Tue, 14 May 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/2005.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@book{DBLP:books/sp/Libkin04,
  author       = {Leonid Libkin},
  title        = {Elements of Finite Model Theory},
  series       = {Texts in Theoretical Computer Science. An {EATCS} Series},
  publisher    = {Springer},
  year         = {2004},
  url          = {http://www.cs.toronto.edu/\%7Elibkin/fmt},
  doi          = {10.1007/978-3-662-07003-1},
  isbn         = {3-540-21202-7},
  timestamp    = {Wed, 10 Jul 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/books/sp/Libkin04.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tods/ArenasL04,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  title        = {A normal form for {XML} documents},
  journal      = {{ACM} Trans. Database Syst.},
  volume       = {29},
  pages        = {195--232},
  year         = {2004},
  url          = {https://doi.org/10.1145/974750.974757},
  doi          = {10.1145/974750.974757},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tods/ArenasL04.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/csl/ArenasBL04,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Leonid Libkin},
  editor       = {Jerzy Marcinkowski and
                  Andrzej Tarlecki},
  title        = {Game-Based Notions of Locality Over Finite Models},
  booktitle    = {Computer Science Logic, 18th International Workshop, {CSL} 2004, 13th
                  Annual Conference of the EACSL, Karpacz, Poland, September 20-24,
                  2004, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {3210},
  pages        = {175--189},
  publisher    = {Springer},
  year         = {2004},
  url          = {https://doi.org/10.1007/978-3-540-30124-0\_16},
  doi          = {10.1007/978-3-540-30124-0\_16},
  timestamp    = {Tue, 14 May 2019 10:00:42 +0200},
  biburl       = {https://dblp.org/rec/conf/csl/ArenasBL04.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icde/BarbosaMLMA04,
  author       = {Denilson Barbosa and
                  Alberto O. Mendelzon and
                  Leonid Libkin and
                  Laurent Mignet and
                  Marcelo Arenas},
  editor       = {Z. Meral {\"{O}}zsoyoglu and
                  Stanley B. Zdonik},
  title        = {Efficient Incremental Validation of {XML} Documents},
  booktitle    = {Proceedings of the 20th International Conference on Data Engineering,
                  {ICDE} 2004, 30 March - 2 April 2004, Boston, MA, {USA}},
  pages        = {671--682},
  publisher    = {{IEEE} Computer Society},
  year         = {2004},
  url          = {https://doi.org/10.1109/ICDE.2004.1320036},
  doi          = {10.1109/ICDE.2004.1320036},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/icde/BarbosaMLMA04.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ArenasBLF04,
  author       = {Marcelo Arenas and
                  Pablo Barcel{\'{o}} and
                  Ronald Fagin and
                  Leonid Libkin},
  editor       = {Catriel Beeri and
                  Alin Deutsch},
  title        = {Locally Consistent Transformations and Query Answering in Data Exchange},
  booktitle    = {Proceedings of the Twenty-third {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 14-16, 2004, Paris, France},
  pages        = {229--240},
  publisher    = {{ACM}},
  year         = {2004},
  url          = {https://doi.org/10.1145/1055558.1055592},
  doi          = {10.1145/1055558.1055592},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/ArenasBLF04.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/iandc/DongLW03,
  author       = {Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  title        = {Incremental recomputation in local languages},
  journal      = {Inf. Comput.},
  volume       = {181},
  number       = {2},
  pages        = {88--98},
  year         = {2003},
  url          = {https://doi.org/10.1016/S0890-5401(03)00017-8},
  doi          = {10.1016/S0890-5401(03)00017-8},
  timestamp    = {Fri, 12 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/iandc/DongLW03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ipl/Libkin03,
  author       = {Leonid Libkin},
  title        = {A collapse result for constraint queries over structures of small
                  degree},
  journal      = {Inf. Process. Lett.},
  volume       = {86},
  number       = {5},
  pages        = {277--281},
  year         = {2003},
  url          = {https://doi.org/10.1016/S0020-0190(02)00508-2},
  doi          = {10.1016/S0020-0190(02)00508-2},
  timestamp    = {Fri, 26 May 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ipl/Libkin03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/BenediktLSS03,
  author       = {Michael Benedikt and
                  Leonid Libkin and
                  Thomas Schwentick and
                  Luc Segoufin},
  title        = {Definable relations and first-order query languages over strings},
  journal      = {J. {ACM}},
  volume       = {50},
  number       = {5},
  pages        = {694--751},
  year         = {2003},
  url          = {https://doi.org/10.1145/876638.876642},
  doi          = {10.1145/876638.876642},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jacm/BenediktLSS03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/BenediktGLS03,
  author       = {Michael Benedikt and
                  Martin Grohe and
                  Leonid Libkin and
                  Luc Segoufin},
  title        = {Reachability and connectivity queries in constraint databases},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {66},
  number       = {1},
  pages        = {169--206},
  year         = {2003},
  url          = {https://doi.org/10.1016/S0022-0000(02)00034-X},
  doi          = {10.1016/S0022-0000(02)00034-X},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/BenediktGLS03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/Libkin03,
  author       = {Leonid Libkin},
  title        = {Expressive power of {SQL}},
  journal      = {Theor. Comput. Sci.},
  volume       = {296},
  number       = {3},
  pages        = {379--404},
  year         = {2003},
  url          = {https://doi.org/10.1016/S0304-3975(02)00736-3},
  doi          = {10.1016/S0304-3975(02)00736-3},
  timestamp    = {Wed, 17 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tcs/Libkin03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tocl/Libkin03,
  author       = {Leonid Libkin},
  title        = {Variable independence for first-order definable constraints},
  journal      = {{ACM} Trans. Comput. Log.},
  volume       = {4},
  number       = {4},
  pages        = {431--451},
  year         = {2003},
  url          = {https://doi.org/10.1145/937555.937557},
  doi          = {10.1145/937555.937557},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tocl/Libkin03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/LibkinN03,
  author       = {Leonid Libkin and
                  Frank Neven},
  title        = {Logical Definability and Query Languages over Unranked Trees},
  booktitle    = {18th {IEEE} Symposium on Logic in Computer Science {(LICS} 2003),
                  22-25 June 2003, Ottawa, Canada, Proceedings},
  pages        = {178--187},
  publisher    = {{IEEE} Computer Society},
  year         = {2003},
  url          = {https://doi.org/10.1109/LICS.2003.1210057},
  doi          = {10.1109/LICS.2003.1210057},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/LibkinN03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ArenasL03,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  editor       = {Frank Neven and
                  Catriel Beeri and
                  Tova Milo},
  title        = {An information-theoretic approach to normal forms for relational and
                  {XML} data},
  booktitle    = {Proceedings of the Twenty-Second {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 9-12, 2003, San Diego, CA,
                  {USA}},
  pages        = {15--26},
  publisher    = {{ACM}},
  year         = {2003},
  url          = {https://doi.org/10.1145/773153.773155},
  doi          = {10.1145/773153.773155},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/ArenasL03.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/FanL02,
  author       = {Wenfei Fan and
                  Leonid Libkin},
  title        = {On {XML} integrity constraints in the presence of DTDs},
  journal      = {J. {ACM}},
  volume       = {49},
  number       = {3},
  pages        = {368--406},
  year         = {2002},
  url          = {https://doi.org/10.1145/567112.567117},
  doi          = {10.1145/567112.567117},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/FanL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/BenediktL02,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  title        = {Aggregate Operators in Constraint Query Languages},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {64},
  number       = {3},
  pages        = {628--654},
  year         = {2002},
  url          = {https://doi.org/10.1006/jcss.2001.1810},
  doi          = {10.1006/JCSS.2001.1810},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/BenediktL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/LibkinW02,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  title        = {Lower bounds for invariant queries in logics with counting},
  journal      = {Theor. Comput. Sci.},
  volume       = {288},
  number       = {1},
  pages        = {153--180},
  year         = {2002},
  url          = {https://doi.org/10.1016/S0304-3975(01)00152-9},
  doi          = {10.1016/S0304-3975(01)00152-9},
  timestamp    = {Wed, 17 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tcs/LibkinW02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tocl/AbadiLP02,
  author       = {Mart{\'{\i}}n Abadi and
                  Leonid Libkin and
                  Frank Pfenning},
  title        = {Editorial},
  journal      = {{ACM} Trans. Comput. Log.},
  volume       = {3},
  number       = {3},
  pages        = {335--335},
  year         = {2002},
  url          = {https://doi.org/10.1145/507382.507383},
  doi          = {10.1145/507382.507383},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tocl/AbadiLP02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dexa/ArenasFL02,
  author       = {Marcelo Arenas and
                  Wenfei Fan and
                  Leonid Libkin},
  editor       = {Abdelkader Hameurlain and
                  Rosine Cicchetti and
                  Roland Traunm{\"{u}}ller},
  title        = {What's Hard about {XML} Schema Constraints?},
  booktitle    = {Database and Expert Systems Applications, 13th International Conference,
                  {DEXA} 2002, Aix-en-Provence, France, September 2-6, 2002, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {2453},
  pages        = {269--278},
  publisher    = {Springer},
  year         = {2002},
  url          = {https://doi.org/10.1007/3-540-46146-9\_27},
  doi          = {10.1007/3-540-46146-9\_27},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dexa/ArenasFL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/BenediktL02,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  title        = {Tree Extension Algebras: Logics, Automata, and Query Languages},
  booktitle    = {17th {IEEE} Symposium on Logic in Computer Science {(LICS} 2002),
                  22-25 July 2002, Copenhagen, Denmark, Proceedings},
  pages        = {203},
  publisher    = {{IEEE} Computer Society},
  year         = {2002},
  url          = {https://doi.org/10.1109/LICS.2002.1029829},
  doi          = {10.1109/LICS.2002.1029829},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/BenediktL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ArenasL02,
  author       = {Marcelo Arenas and
                  Leonid Libkin},
  editor       = {Lucian Popa and
                  Serge Abiteboul and
                  Phokion G. Kolaitis},
  title        = {A Normal Form for {XML} Documents},
  booktitle    = {Proceedings of the Twenty-first {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 3-5, Madison, Wisconsin, {USA}},
  pages        = {85--96},
  publisher    = {{ACM}},
  year         = {2002},
  url          = {https://doi.org/10.1145/543613.543625},
  doi          = {10.1145/543613.543625},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/ArenasL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/ArenasFL02,
  author       = {Marcelo Arenas and
                  Wenfei Fan and
                  Leonid Libkin},
  editor       = {Lucian Popa and
                  Serge Abiteboul and
                  Phokion G. Kolaitis},
  title        = {On Verifying Consistency of {XML} Specifications},
  booktitle    = {Proceedings of the Twenty-first {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 3-5, Madison, Wisconsin, {USA}},
  pages        = {259--270},
  publisher    = {{ACM}},
  year         = {2002},
  url          = {https://doi.org/10.1145/543613.543647},
  doi          = {10.1145/543613.543647},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/ArenasFL02.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ipl/CosmadakisKL01,
  author       = {Stavros S. Cosmadakis and
                  Gabriel M. Kuper and
                  Leonid Libkin},
  title        = {On the orthographic dimension of definable sets},
  journal      = {Inf. Process. Lett.},
  volume       = {79},
  number       = {3},
  pages        = {141--145},
  year         = {2001},
  url          = {https://doi.org/10.1016/S0020-0190(00)00184-8},
  doi          = {10.1016/S0020-0190(00)00184-8},
  timestamp    = {Thu, 14 Oct 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ipl/CosmadakisKL01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/HellaLNW01,
  author       = {Lauri Hella and
                  Leonid Libkin and
                  Juha Nurmonen and
                  Limsoon Wong},
  title        = {Logics with aggregate operators},
  journal      = {J. {ACM}},
  volume       = {48},
  number       = {4},
  pages        = {880--907},
  year         = {2001},
  url          = {https://doi.org/10.1145/502090.502100},
  doi          = {10.1145/502090.502100},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jacm/HellaLNW01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/RossCGLLM01,
  author       = {Kenneth A. Ross and
                  Stefano Ceri and
                  Luis Gravano and
                  Per{-}{\AA}ke Larson and
                  Leonid Libkin and
                  Tova Milo},
  title        = {Reminiscences on Influential Papers},
  journal      = {{SIGMOD} Rec.},
  volume       = {30},
  number       = {1},
  pages        = {55--57},
  year         = {2001},
  url          = {https://doi.org/10.1145/373626.604262},
  doi          = {10.1145/373626.604262},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/RossCGLLM01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tocl/Libkin01,
  author       = {Leonid Libkin},
  title        = {Logics capturing local properties},
  journal      = {{ACM} Trans. Comput. Log.},
  volume       = {2},
  number       = {1},
  pages        = {135--153},
  year         = {2001},
  url          = {https://doi.org/10.1145/371282.371388},
  doi          = {10.1145/371282.371388},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tocl/Libkin01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/Libkin01,
  author       = {Leonid Libkin},
  editor       = {Jan Van den Bussche and
                  Victor Vianu},
  title        = {Expressive Power of {SQL}},
  booktitle    = {Database Theory - {ICDT} 2001, 8th International Conference, London,
                  UK, January 4-6, 2001, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1973},
  pages        = {1--21},
  publisher    = {Springer},
  year         = {2001},
  url          = {https://doi.org/10.1007/3-540-44503-X\_1},
  doi          = {10.1007/3-540-44503-X\_1},
  timestamp    = {Tue, 14 May 2019 10:00:54 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/Libkin01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/BenediktLSS01,
  author       = {Michael Benedikt and
                  Leonid Libkin and
                  Thomas Schwentick and
                  Luc Segoufin},
  title        = {A Model-Theoretic Approach to Regular String Relations},
  booktitle    = {16th Annual {IEEE} Symposium on Logic in Computer Science, Boston,
                  Massachusetts, USA, June 16-19, 2001, Proceedings},
  pages        = {431--440},
  publisher    = {{IEEE} Computer Society},
  year         = {2001},
  url          = {https://doi.org/10.1109/LICS.2001.932518},
  doi          = {10.1109/LICS.2001.932518},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/BenediktLSS01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktLSS01,
  author       = {Michael Benedikt and
                  Leonid Libkin and
                  Thomas Schwentick and
                  Luc Segoufin},
  editor       = {Peter Buneman},
  title        = {String Operations in Query Languages},
  booktitle    = {Proceedings of the Twentieth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 21-23, 2001, Santa Barbara,
                  California, {USA}},
  publisher    = {{ACM}},
  year         = {2001},
  url          = {https://doi.org/10.1145/375551.375578},
  doi          = {10.1145/375551.375578},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktLSS01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/FanL01,
  author       = {Wenfei Fan and
                  Leonid Libkin},
  editor       = {Peter Buneman},
  title        = {On {XML} Integrity Constraints in the Presence of DTDs},
  booktitle    = {Proceedings of the Twentieth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 21-23, 2001, Santa Barbara,
                  California, {USA}},
  publisher    = {{ACM}},
  year         = {2001},
  url          = {https://doi.org/10.1145/375551.375568},
  doi          = {10.1145/375551.375568},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/FanL01.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/BenediktL00,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  title        = {Relational queries over interpreted structures},
  journal      = {J. {ACM}},
  volume       = {47},
  number       = {4},
  pages        = {644--680},
  year         = {2000},
  url          = {https://doi.org/10.1145/347476.347477},
  doi          = {10.1145/347476.347477},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jacm/BenediktL00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/siamcomp/BenediktL00,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  title        = {Safe Constraint Queries},
  journal      = {{SIAM} J. Comput.},
  volume       = {29},
  number       = {5},
  pages        = {1652--1682},
  year         = {2000},
  url          = {https://doi.org/10.1137/S0097539798342484},
  doi          = {10.1137/S0097539798342484},
  timestamp    = {Thu, 08 Jun 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/siamcomp/BenediktL00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/DongLW00,
  author       = {Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  title        = {Local properties of query languages},
  journal      = {Theor. Comput. Sci.},
  volume       = {239},
  number       = {2},
  pages        = {277--308},
  year         = {2000},
  url          = {https://doi.org/10.1016/S0304-3975(99)00223-6},
  doi          = {10.1016/S0304-3975(99)00223-6},
  timestamp    = {Wed, 17 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tcs/DongLW00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tocl/Libkin00,
  author       = {Leonid Libkin},
  title        = {Logics with counting and local properties},
  journal      = {{ACM} Trans. Comput. Log.},
  volume       = {1},
  number       = {1},
  pages        = {33--59},
  year         = {2000},
  url          = {https://doi.org/10.1145/343369.343376},
  doi          = {10.1145/343369.343376},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tocl/Libkin00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icalp/Libkin00,
  author       = {Leonid Libkin},
  editor       = {Ugo Montanari and
                  Jos{\'{e}} D. P. Rolim and
                  Emo Welzl},
  title        = {Variable Independence, Quantifier Elimination, and Constraint Representations},
  booktitle    = {Automata, Languages and Programming, 27th International Colloquium,
                  {ICALP} 2000, Geneva, Switzerland, July 9-15, 2000, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1853},
  pages        = {260--271},
  publisher    = {Springer},
  year         = {2000},
  url          = {https://doi.org/10.1007/3-540-45022-X\_23},
  doi          = {10.1007/3-540-45022-X\_23},
  timestamp    = {Tue, 14 May 2019 10:00:44 +0200},
  biburl       = {https://dblp.org/rec/conf/icalp/Libkin00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktGLS00,
  author       = {Michael Benedikt and
                  Martin Grohe and
                  Leonid Libkin and
                  Luc Segoufin},
  editor       = {Victor Vianu and
                  Georg Gottlob},
  title        = {Reachability and Connectivity Queries in Constraint Databases},
  booktitle    = {Proceedings of the Nineteenth {ACM} {SIGMOD-SIGACT-SIGART} Symposium
                  on Principles of Database Systems, May 15-17, 2000, Dallas, Texas,
                  {USA}},
  pages        = {104--115},
  publisher    = {{ACM}},
  year         = {2000},
  url          = {https://doi.org/10.1145/335168.335213},
  doi          = {10.1145/335168.335213},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktGLS00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/stacs/Libkin00,
  author       = {Leonid Libkin},
  editor       = {Horst Reichel and
                  Sophie Tison},
  title        = {Logics Capturing Local Properties},
  booktitle    = {{STACS} 2000, 17th Annual Symposium on Theoretical Aspects of Computer
                  Science, Lille, France, February 2000, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1770},
  pages        = {217--229},
  publisher    = {Springer},
  year         = {2000},
  url          = {https://doi.org/10.1007/3-540-46541-3\_18},
  doi          = {10.1007/3-540-46541-3\_18},
  timestamp    = {Tue, 14 May 2019 10:00:48 +0200},
  biburl       = {https://dblp.org/rec/conf/stacs/Libkin00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:conf/cdb/KuperLP00,
  author       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  editor       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  title        = {Introduction},
  booktitle    = {Constraint Databases},
  pages        = {1--16},
  publisher    = {Springer},
  year         = {2000},
  timestamp    = {Thu, 08 Aug 2019 09:25:55 +0200},
  biburl       = {https://dblp.org/rec/conf/cdb/KuperLP00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:conf/cdb/BenediktL00,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  editor       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  title        = {Expressive Power: The Finite Case},
  booktitle    = {Constraint Databases},
  pages        = {55--87},
  publisher    = {Springer},
  year         = {2000},
  timestamp    = {Thu, 08 Aug 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/cdb/BenediktL00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:conf/cdb/BenediktL00a,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  editor       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  title        = {Query Safety with Constraints},
  booktitle    = {Constraint Databases},
  pages        = {109--129},
  publisher    = {Springer},
  year         = {2000},
  timestamp    = {Thu, 08 Aug 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/cdb/BenediktL00a.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@incollection{DBLP:conf/cdb/ChomickiL00,
  author       = {Jan Chomicki and
                  Leonid Libkin},
  editor       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  title        = {Aggregate Languages for Constraint Databases},
  booktitle    = {Constraint Databases},
  pages        = {131--154},
  publisher    = {Springer},
  year         = {2000},
  timestamp    = {Thu, 08 Aug 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/cdb/ChomickiL00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@book{DBLP:books/sp/Kuper00,
  editor       = {Gabriel M. Kuper and
                  Leonid Libkin and
                  Jan Paredaens},
  title        = {Constraint Databases},
  publisher    = {Springer},
  year         = {2000},
  url          = {https://doi.org/10.1007/978-3-662-04031-7},
  doi          = {10.1007/978-3-662-04031-7},
  isbn         = {3-540-66151-4},
  timestamp    = {Thu, 08 Aug 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/books/sp/Kuper00.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jsyml/HellaLN99,
  author       = {Lauri Hella and
                  Leonid Libkin and
                  Juha Nurmonen},
  title        = {Notions of Locality and Their Logical Characterizations over Finite
                  Models},
  journal      = {J. Symb. Log.},
  volume       = {64},
  number       = {4},
  pages        = {1751--1773},
  year         = {1999},
  url          = {https://doi.org/10.2307/2586810},
  doi          = {10.2307/2586810},
  timestamp    = {Tue, 06 Jun 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jsyml/HellaLN99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigact/Libkin99,
  author       = {Leonid Libkin},
  title        = {Query languages with arithmetic and constraint databases},
  journal      = {{SIGACT} News},
  volume       = {30},
  number       = {4},
  pages        = {41--50},
  year         = {1999},
  url          = {https://doi.org/10.1145/337885.337894},
  doi          = {10.1145/337885.337894},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigact/Libkin99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/Libkin99,
  author       = {Leonid Libkin},
  title        = {Some Remarks on Variable Independence, Closure, and Orthographic Dimension
                  in Constraint Databases},
  journal      = {{SIGMOD} Rec.},
  volume       = {28},
  number       = {4},
  pages        = {24--28},
  year         = {1999},
  url          = {https://doi.org/10.1145/344816.344850},
  doi          = {10.1145/344816.344850},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/Libkin99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/Libkin99a,
  author       = {Leonid Libkin},
  title        = {Database Principles Column - Introduction},
  journal      = {{SIGMOD} Rec.},
  volume       = {28},
  number       = {4},
  pages        = {29},
  year         = {1999},
  url          = {http://www.acm.org/sigmod/record/issues/9912/dpintro.pdf},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/Libkin99a.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/bda/Libkin99,
  author       = {Leonid Libkin},
  editor       = {Christine Collet},
  title        = {What you can and cannot say in {SQL} or proving folk theorems in database
                  theory},
  booktitle    = {15{\`{e}}mes Journ{\'{e}}es Bases de Donn{\'{e}}es Avanc{\'{e}}es,
                  {BDA} 1999, Bordeaux, 25 - 27 octobre 1999. (Informal Proceedings)},
  pages        = {425},
  publisher    = {Actes},
  year         = {1999},
  timestamp    = {Tue, 16 Jul 2019 13:26:48 +0200},
  biburl       = {https://dblp.org/rec/conf/bda/Libkin99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/LibkinW99,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Richard Connor and
                  Alberto O. Mendelzon},
  title        = {On the Power of Incremental Evaluation in SQL-Like Languages},
  booktitle    = {Research Issues in Structured and Semistructured Database Programming,
                  7th International Workshop on Database Programming Languages, DBPL'99,
                  Kinloch Rannoch, Scotland, UK, September 1-3, 1999, Revised Papers},
  series       = {Lecture Notes in Computer Science},
  volume       = {1949},
  pages        = {17--30},
  publisher    = {Springer},
  year         = {1999},
  url          = {https://doi.org/10.1007/3-540-44543-9\_2},
  doi          = {10.1007/3-540-44543-9\_2},
  timestamp    = {Wed, 07 Jul 2021 16:59:31 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/LibkinW99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/HellaLNW99,
  author       = {Lauri Hella and
                  Leonid Libkin and
                  Juha Nurmonen and
                  Limsoon Wong},
  title        = {Logics with Aggregate Operators},
  booktitle    = {14th Annual {IEEE} Symposium on Logic in Computer Science, Trento,
                  Italy, July 2-5, 1999},
  pages        = {35--44},
  publisher    = {{IEEE} Computer Society},
  year         = {1999},
  url          = {https://doi.org/10.1109/LICS.1999.782583},
  doi          = {10.1109/LICS.1999.782583},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/HellaLNW99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/Libkin99,
  author       = {Leonid Libkin},
  title        = {Logics with Counting, Auxiliary Relations, and Lower Bounds for Invariant
                  Queries},
  booktitle    = {14th Annual {IEEE} Symposium on Logic in Computer Science, Trento,
                  Italy, July 2-5, 1999},
  pages        = {316--325},
  publisher    = {{IEEE} Computer Society},
  year         = {1999},
  url          = {https://doi.org/10.1109/LICS.1999.782626},
  doi          = {10.1109/LICS.1999.782626},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/Libkin99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktL99,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  editor       = {Victor Vianu and
                  Christos H. Papadimitriou},
  title        = {Exact and Approximate Aggregation in Constraint Query},
  booktitle    = {Proceedings of the Eighteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 31 - June 2, 1999, Philadelphia,
                  Pennsylvania, {USA}},
  pages        = {102--113},
  publisher    = {{ACM} Press},
  year         = {1999},
  url          = {https://doi.org/10.1145/303976.303987},
  doi          = {10.1145/303976.303987},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktL99.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/iandc/BenediktGL98,
  author       = {Michael Benedikt and
                  Timothy Griffin and
                  Leonid Libkin},
  title        = {Verifiable Properties of Database Transactions},
  journal      = {Inf. Comput.},
  volume       = {147},
  number       = {1},
  pages        = {57--88},
  year         = {1998},
  url          = {https://doi.org/10.1006/inco.1998.2731},
  doi          = {10.1006/INCO.1998.2731},
  timestamp    = {Fri, 12 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/iandc/BenediktGL98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jacm/BenediktDLW98,
  author       = {Michael Benedikt and
                  Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  title        = {Relational Expressive Power of Constraint Query Languages},
  journal      = {J. {ACM}},
  volume       = {45},
  number       = {1},
  pages        = {1--34},
  year         = {1998},
  url          = {https://doi.org/10.1145/273865.273870},
  doi          = {10.1145/273865.273870},
  timestamp    = {Sun, 02 Jun 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/jacm/BenediktDLW98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tcs/Libkin98,
  author       = {Leonid Libkin},
  title        = {Models of Approximation in Databases},
  journal      = {Theor. Comput. Sci.},
  volume       = {190},
  number       = {2},
  pages        = {167--210},
  year         = {1998},
  url          = {https://doi.org/10.1016/S0304-3975(97)00090-X},
  doi          = {10.1016/S0304-3975(97)00090-X},
  timestamp    = {Wed, 17 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/tcs/Libkin98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/Libkin98,
  author       = {Leonid Libkin},
  title        = {On Counting Logics and Local Properties},
  booktitle    = {Thirteenth Annual {IEEE} Symposium on Logic in Computer Science, Indianapolis,
                  Indiana, USA, June 21-24, 1998},
  pages        = {501--512},
  publisher    = {{IEEE} Computer Society},
  year         = {1998},
  url          = {https://doi.org/10.1109/LICS.1998.705683},
  doi          = {10.1109/LICS.1998.705683},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/Libkin98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktL98,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  editor       = {Alberto O. Mendelzon and
                  Jan Paredaens},
  title        = {Safe Constraint Queries},
  booktitle    = {Proceedings of the Seventeenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 1-3, 1998, Seattle, Washington,
                  {USA}},
  pages        = {99--108},
  publisher    = {{ACM} Press},
  year         = {1998},
  url          = {https://doi.org/10.1145/275487.275499},
  doi          = {10.1145/275487.275499},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktL98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/stacs/LibkinW98,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Michel Morvan and
                  Christoph Meinel and
                  Daniel Krob},
  title        = {Unary Quantifiers, Transitive Closure, and Relations of Large Degree},
  booktitle    = {{STACS} 98, 15th Annual Symposium on Theoretical Aspects of Computer
                  Science, Paris, France, February 25-27, 1998, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1373},
  pages        = {183--193},
  publisher    = {Springer},
  year         = {1998},
  url          = {https://doi.org/10.1007/BFb0028560},
  doi          = {10.1007/BFB0028560},
  timestamp    = {Sat, 19 Oct 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/stacs/LibkinW98.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/sdb/1995,
  editor       = {Leonid Libkin and
                  Bernhard Thalheim},
  title        = {Semantics in Databases, Selected Papers from a Workshop, Prague, Czech
                  Republic, 1995},
  series       = {Lecture Notes in Computer Science},
  volume       = {1358},
  publisher    = {Springer},
  year         = {1998},
  url          = {https://doi.org/10.1007/BFb0035002},
  doi          = {10.1007/BFB0035002},
  isbn         = {3-540-64199-8},
  timestamp    = {Tue, 14 May 2019 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/sdb/1995.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/LibkinW97,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  title        = {Query Languages for Bags and Aggregate Functions},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {55},
  number       = {2},
  pages        = {241--272},
  year         = {1997},
  url          = {https://doi.org/10.1006/jcss.1997.1523},
  doi          = {10.1006/JCSS.1997.1523},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/LibkinW97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/tkde/GriffinLT97,
  author       = {Timothy Griffin and
                  Leonid Libkin and
                  Howard Trickey},
  title        = {An Improved Algorithm for the Incremental Recomputation of Active
                  Relational Expressions},
  journal      = {{IEEE} Trans. Knowl. Data Eng.},
  volume       = {9},
  number       = {3},
  pages        = {508--511},
  year         = {1997},
  url          = {https://doi.org/10.1109/69.599937},
  doi          = {10.1109/69.599937},
  timestamp    = {Sat, 20 May 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tkde/GriffinLT97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/LibkinW97a,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Sophie Cluet and
                  Richard Hull},
  title        = {Incremental Recomputation of Recursive Queries with Nested Sets and
                  Aggregate Functions},
  booktitle    = {Database Programming Languages, 6th International Workshop, DBPL-6,
                  Estes Park, Colorado, USA, August 18-20, 1997, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1369},
  pages        = {222--238},
  publisher    = {Springer},
  year         = {1997},
  url          = {https://doi.org/10.1007/3-540-64823-2\_13},
  doi          = {10.1007/3-540-64823-2\_13},
  timestamp    = {Tue, 14 May 2019 10:00:50 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/LibkinW97a.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/LibkinW97,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Sophie Cluet and
                  Richard Hull},
  title        = {On the Power of Aggregation in Relational Query Languages},
  booktitle    = {Database Programming Languages, 6th International Workshop, DBPL-6,
                  Estes Park, Colorado, USA, August 18-20, 1997, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1369},
  pages        = {260--280},
  publisher    = {Springer},
  year         = {1997},
  url          = {https://doi.org/10.1007/3-540-64823-2\_15},
  doi          = {10.1007/3-540-64823-2\_15},
  timestamp    = {Tue, 23 May 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/LibkinW97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/esslli/LibkinN97,
  author       = {Leonid Libkin and
                  Juha Nurmonen},
  editor       = {Jouko A. V{\"{a}}{\"{a}}n{\"{a}}nen},
  title        = {Counting and Locality over Finite Structures: {A} Survey},
  booktitle    = {Generalized Quantifiers and Computation, 9th European Summer School
                  in Logic, Language, and Information, ESSLLI'97 Workshop, Aix-en-Provence,
                  France, August 11-22, 1997, Revised Lectures},
  series       = {Lecture Notes in Computer Science},
  volume       = {1754},
  pages        = {18--50},
  publisher    = {Springer},
  year         = {1997},
  url          = {https://doi.org/10.1007/3-540-46583-9\_2},
  doi          = {10.1007/3-540-46583-9\_2},
  timestamp    = {Tue, 14 May 2019 10:00:50 +0200},
  biburl       = {https://dblp.org/rec/conf/esslli/LibkinN97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/DongLW97,
  author       = {Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  editor       = {Foto N. Afrati and
                  Phokion G. Kolaitis},
  title        = {Local Properties of Query Languages},
  booktitle    = {Database Theory - {ICDT} '97, 6th International Conference, Delphi,
                  Greece, January 8-10, 1997, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1186},
  pages        = {140--154},
  publisher    = {Springer},
  year         = {1997},
  url          = {https://doi.org/10.1007/3-540-62222-5\_42},
  doi          = {10.1007/3-540-62222-5\_42},
  timestamp    = {Tue, 14 May 2019 10:00:54 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/DongLW97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/ColbyL97,
  author       = {Latha S. Colby and
                  Leonid Libkin},
  editor       = {Foto N. Afrati and
                  Phokion G. Kolaitis},
  title        = {Tractable Iteration Mechanisms for Bag Languages},
  booktitle    = {Database Theory - {ICDT} '97, 6th International Conference, Delphi,
                  Greece, January 8-10, 1997, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {1186},
  pages        = {461--475},
  publisher    = {Springer},
  year         = {1997},
  url          = {https://doi.org/10.1007/3-540-62222-5\_64},
  doi          = {10.1007/3-540-62222-5\_64},
  timestamp    = {Mon, 22 May 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/ColbyL97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/Libkin97,
  author       = {Leonid Libkin},
  title        = {On the Forms of Locality over Finite Models},
  booktitle    = {Proceedings, 12th Annual {IEEE} Symposium on Logic in Computer Science,
                  Warsaw, Poland, June 29 - July 2, 1997},
  pages        = {204--215},
  publisher    = {{IEEE} Computer Society},
  year         = {1997},
  url          = {https://doi.org/10.1109/LICS.1997.614948},
  doi          = {10.1109/LICS.1997.614948},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/Libkin97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktL97,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  editor       = {Alberto O. Mendelzon and
                  Z. Meral {\"{O}}zsoyoglu},
  title        = {Languages for Relational Databases over Interpreted Structures},
  booktitle    = {Proceedings of the Sixteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 12-14, 1997, Tucson, Arizona,
                  {USA}},
  pages        = {87--98},
  publisher    = {{ACM} Press},
  year         = {1997},
  url          = {https://doi.org/10.1145/263661.263672},
  doi          = {10.1145/263661.263672},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktL97.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/jcss/LibkinW96,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  title        = {Semantic Representations and Query Labguages for Or-Sets},
  journal      = {J. Comput. Syst. Sci.},
  volume       = {52},
  number       = {1},
  pages        = {125--142},
  year         = {1996},
  url          = {https://doi.org/10.1006/jcss.1996.0010},
  doi          = {10.1006/JCSS.1996.0010},
  timestamp    = {Tue, 16 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/jcss/LibkinW96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigact/GrumbachLMW96,
  author       = {St{\'{e}}phane Grumbach and
                  Leonid Libkin and
                  Tova Milo and
                  Limsoon Wong},
  title        = {Query languages for bags: expressive power and complexity},
  journal      = {{SIGACT} News},
  volume       = {27},
  number       = {2},
  pages        = {30--44},
  year         = {1996},
  url          = {https://doi.org/10.1145/235767.235770},
  doi          = {10.1145/235767.235770},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigact/GrumbachLMW96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/lics/BenediktL96,
  author       = {Michael Benedikt and
                  Leonid Libkin},
  title        = {On the Structure of Queries in Constraint Query Languages},
  booktitle    = {Proceedings, 11th Annual {IEEE} Symposium on Logic in Computer Science,
                  New Brunswick, New Jersey, USA, July 27-30, 1996},
  pages        = {25--34},
  publisher    = {{IEEE} Computer Society},
  year         = {1996},
  url          = {https://doi.org/10.1109/LICS.1996.561300},
  doi          = {10.1109/LICS.1996.561300},
  timestamp    = {Fri, 24 Mar 2023 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/lics/BenediktL96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktDLW96,
  author       = {Michael Benedikt and
                  Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  editor       = {Richard Hull},
  title        = {Relational Expressive Power of Constraint Query Languages},
  booktitle    = {Proceedings of the Fifteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 3-5, 1996, Montreal, Canada},
  pages        = {5--16},
  publisher    = {{ACM} Press},
  year         = {1996},
  url          = {https://doi.org/10.1145/237661.237667},
  doi          = {10.1145/237661.237667},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktDLW96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/BenediktGL96,
  author       = {Michael Benedikt and
                  Timothy Griffin and
                  Leonid Libkin},
  editor       = {Richard Hull},
  title        = {Verifiable Properties of Database Transactions},
  booktitle    = {Proceedings of the Fifteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, June 3-5, 1996, Montreal, Canada},
  pages        = {117--127},
  publisher    = {{ACM} Press},
  year         = {1996},
  url          = {https://doi.org/10.1145/237661.237692},
  doi          = {10.1145/237661.237692},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/BenediktGL96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/LibkinMW96,
  author       = {Leonid Libkin and
                  Rona Machlin and
                  Limsoon Wong},
  editor       = {H. V. Jagadish and
                  Inderpal Singh Mumick},
  title        = {A Query Language for Multidimensional Arrays: Design, Implementation,
                  and Optimization Techniques},
  booktitle    = {Proceedings of the 1996 {ACM} {SIGMOD} International Conference on
                  Management of Data, Montreal, Quebec, Canada, June 4-6, 1996},
  pages        = {228--239},
  publisher    = {{ACM} Press},
  year         = {1996},
  url          = {https://doi.org/10.1145/233269.233335},
  doi          = {10.1145/233269.233335},
  timestamp    = {Tue, 16 Aug 2022 23:04:20 +0200},
  biburl       = {https://dblp.org/rec/conf/sigmod/LibkinMW96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/ColbyGLMT96,
  author       = {Latha S. Colby and
                  Timothy Griffin and
                  Leonid Libkin and
                  Inderpal Singh Mumick and
                  Howard Trickey},
  editor       = {H. V. Jagadish and
                  Inderpal Singh Mumick},
  title        = {Algorithms for Deferred View Maintenance},
  booktitle    = {Proceedings of the 1996 {ACM} {SIGMOD} International Conference on
                  Management of Data, Montreal, Quebec, Canada, June 4-6, 1996},
  pages        = {469--480},
  publisher    = {{ACM} Press},
  year         = {1996},
  url          = {https://doi.org/10.1145/233269.233364},
  doi          = {10.1145/233269.233364},
  timestamp    = {Mon, 21 Jun 2021 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/sigmod/ColbyGLMT96.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/dm/LibkinG95,
  author       = {Leonid Libkin and
                  Vladimir Gurvich},
  title        = {Trees as semilattices},
  journal      = {Discret. Math.},
  volume       = {145},
  number       = {1-3},
  pages        = {321--327},
  year         = {1995},
  url          = {https://doi.org/10.1016/0012-365X(94)00046-L},
  doi          = {10.1016/0012-365X(94)00046-L},
  timestamp    = {Fri, 12 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/dm/LibkinG95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ipl/LibkinW95,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  title        = {On Representation and Querying Incomplete Information in Databases
                  with Bags},
  journal      = {Inf. Process. Lett.},
  volume       = {56},
  number       = {4},
  pages        = {209--214},
  year         = {1995},
  url          = {https://doi.org/10.1016/0020-0190(95)00154-5},
  doi          = {10.1016/0020-0190(95)00154-5},
  timestamp    = {Wed, 14 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/ipl/LibkinW95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/Libkin95,
  author       = {Leonid Libkin},
  editor       = {Paolo Atzeni and
                  Val Tannen},
  title        = {Query Language Primitives for Programming with Incomplete Databases},
  booktitle    = {Database Programming Languages (DBPL-5), Proceedings of the Fifth
                  International Workshop on Database Programming Languages, Gubbio,
                  Umbria, Italy, 6-8 September 1995},
  series       = {Electronic Workshops in Computing},
  pages        = {6},
  publisher    = {Springer},
  year         = {1995},
  url          = {http://ewic.bcs.org/content/ConWebDoc/5197},
  timestamp    = {Mon, 27 May 2019 16:08:52 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/Libkin95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/DongLW95,
  author       = {Guozhu Dong and
                  Leonid Libkin and
                  Limsoon Wong},
  editor       = {Paolo Atzeni and
                  Val Tannen},
  title        = {On Impossibility of Decremental Recomputation of Recursive Queries
                  in Relational Calculus and {SQL}},
  booktitle    = {Database Programming Languages (DBPL-5), Proceedings of the Fifth
                  International Workshop on Database Programming Languages, Gubbio,
                  Umbria, Italy, 6-8 September 1995},
  series       = {Electronic Workshops in Computing},
  pages        = {7},
  publisher    = {Springer},
  year         = {1995},
  url          = {http://ewic.bcs.org/content/ConWebDoc/5187},
  timestamp    = {Fri, 08 Sep 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/DongLW95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/icdt/Libkin95,
  author       = {Leonid Libkin},
  editor       = {Georg Gottlob and
                  Moshe Y. Vardi},
  title        = {Approximation in Databases},
  booktitle    = {Database Theory - ICDT'95, 5th International Conference, Prague, Czech
                  Republic, January 11-13, 1995, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {893},
  pages        = {411--424},
  publisher    = {Springer},
  year         = {1995},
  url          = {https://doi.org/10.1007/3-540-58907-4\_31},
  doi          = {10.1007/3-540-58907-4\_31},
  timestamp    = {Tue, 14 May 2019 10:00:54 +0200},
  biburl       = {https://dblp.org/rec/conf/icdt/Libkin95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/Libkin95,
  author       = {Leonid Libkin},
  editor       = {Mihalis Yannakakis and
                  Serge Abiteboul},
  title        = {Normalizing Incomplete Databases},
  booktitle    = {Proceedings of the Fourteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 22-25, 1995, San Jose, California,
                  {USA}},
  pages        = {219--230},
  publisher    = {{ACM} Press},
  year         = {1995},
  url          = {https://doi.org/10.1145/212433.220217},
  doi          = {10.1145/212433.220217},
  timestamp    = {Sat, 24 Oct 2020 16:41:20 +0200},
  biburl       = {https://dblp.org/rec/conf/pods/Libkin95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sdb/Libkin95,
  author       = {Leonid Libkin},
  editor       = {Leonid Libkin and
                  Bernhard Thalheim},
  title        = {A Semantics-based Approach to Design of Query Languages for Partial
                  Information},
  booktitle    = {Semantics in Databases, Selected Papers from a Workshop, Prague, Czech
                  Republic, 1995},
  series       = {Lecture Notes in Computer Science},
  volume       = {1358},
  pages        = {170--208},
  publisher    = {Springer},
  year         = {1995},
  url          = {https://doi.org/10.1007/BFb0035009},
  doi          = {10.1007/BFB0035009},
  timestamp    = {Tue, 14 May 2019 10:00:36 +0200},
  biburl       = {https://dblp.org/rec/conf/sdb/Libkin95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/sigmod/GriffinL95,
  author       = {Timothy Griffin and
                  Leonid Libkin},
  editor       = {Michael J. Carey and
                  Donovan A. Schneider},
  title        = {Incremental Maintenance of Views with Duplicates},
  booktitle    = {Proceedings of the 1995 {ACM} {SIGMOD} International Conference on
                  Management of Data, San Jose, California, USA, May 22-25, 1995},
  pages        = {328--339},
  publisher    = {{ACM} Press},
  year         = {1995},
  url          = {https://doi.org/10.1145/223784.223849},
  doi          = {10.1145/223784.223849},
  timestamp    = {Tue, 16 Aug 2022 23:04:20 +0200},
  biburl       = {https://dblp.org/rec/conf/sigmod/GriffinL95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/tphol/GunterL95,
  author       = {Elsa L. Gunter and
                  Leonid Libkin},
  editor       = {E. Thomas Schubert and
                  Phillip J. Windley and
                  Jim Alves{-}Foss},
  title        = {Interfacing {HOL90} with a Functional Database Query Language},
  booktitle    = {Higher Order Logic Theorem Proving and Its Applications, 8th International
                  Workshop, Aspen Grove, UT, USA, September 11-14, 1995, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {971},
  pages        = {170--185},
  publisher    = {Springer},
  year         = {1995},
  url          = {https://doi.org/10.1007/3-540-60275-5\_64},
  doi          = {10.1007/3-540-60275-5\_64},
  timestamp    = {Tue, 14 May 2019 10:00:48 +0200},
  biburl       = {https://dblp.org/rec/conf/tphol/GunterL95.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/ipl/LibkinW94,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  title        = {Conservativity of Nested Relational Calculi with Internal Generic
                  Functions},
  journal      = {Inf. Process. Lett.},
  volume       = {49},
  number       = {6},
  pages        = {273--280},
  year         = {1994},
  url          = {https://doi.org/10.1016/0020-0190(94)90099-X},
  doi          = {10.1016/0020-0190(94)90099-X},
  timestamp    = {Tue, 06 Jun 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/ipl/LibkinW94.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/sigmod/BunemanLSTW94,
  author       = {Peter Buneman and
                  Leonid Libkin and
                  Dan Suciu and
                  Val Tannen and
                  Limsoon Wong},
  title        = {Comprehension Syntax},
  journal      = {{SIGMOD} Rec.},
  volume       = {23},
  number       = {1},
  pages        = {87--96},
  year         = {1994},
  url          = {https://doi.org/10.1145/181550.181564},
  doi          = {10.1145/181550.181564},
  timestamp    = {Mon, 05 Feb 2024 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/sigmod/BunemanLSTW94.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dexa/GunterL94,
  author       = {Elsa L. Gunter and
                  Leonid Libkin},
  editor       = {Dimitris Karagiannis},
  title        = {{OR-SML:} {A} Functional Database Programming Language for Disjunctive
                  Information and Its Applications},
  booktitle    = {Database and Expert Systems Applications, 5th International Conference,
                  {DEXA} '94, Athens, Greece, September 7 - 9, 1994, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {856},
  pages        = {641--650},
  publisher    = {Springer},
  year         = {1994},
  url          = {https://doi.org/10.1007/3-540-58435-8\_230},
  doi          = {10.1007/3-540-58435-8\_230},
  timestamp    = {Tue, 14 May 2019 10:00:46 +0200},
  biburl       = {https://dblp.org/rec/conf/dexa/GunterL94.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinW94,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Victor Vianu},
  title        = {New Techniques for Studying Set Languages, Bag Languages and Aggregate
                  Functions},
  booktitle    = {Proceedings of the Thirteenth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 24-26, 1994, Minneapolis, Minnesota,
                  {USA}},
  pages        = {155--166},
  publisher    = {{ACM} Press},
  year         = {1994},
  url          = {https://doi.org/10.1145/182591.182609},
  doi          = {10.1145/182591.182609},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinW94.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/dm/Libkin93,
  author       = {Leonid Libkin},
  title        = {Direct product decompositions of lattices, closures and relation schemes},
  journal      = {Discret. Math.},
  volume       = {112},
  number       = {1-3},
  pages        = {119--138},
  year         = {1993},
  url          = {https://doi.org/10.1016/0012-365X(93)90228-L},
  doi          = {10.1016/0012-365X(93)90228-L},
  timestamp    = {Fri, 12 Feb 2021 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/dm/Libkin93.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/LibkinW93,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Catriel Beeri and
                  Atsushi Ohori and
                  Dennis E. Shasha},
  title        = {Some Properties of Query Languages for Bags},
  booktitle    = {Database Programming Languages (DBPL-4), Proceedings of the Fourth
                  International Workshop on Database Programming Languages - Object
                  Models and Languages, Manhattan, New York City, USA, 30 August - 1
                  September 1993},
  series       = {Workshops in Computing},
  pages        = {97--114},
  publisher    = {Springer},
  year         = {1993},
  timestamp    = {Wed, 29 Mar 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/LibkinW93.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/dbpl/LibkinW93a,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Catriel Beeri and
                  Atsushi Ohori and
                  Dennis E. Shasha},
  title        = {Aggregate Functions, Conservative Extensions, and Linear Orders},
  booktitle    = {Database Programming Languages (DBPL-4), Proceedings of the Fourth
                  International Workshop on Database Programming Languages - Object
                  Models and Languages, Manhattan, New York City, USA, 30 August - 1
                  September 1993},
  series       = {Workshops in Computing},
  pages        = {282--294},
  publisher    = {Springer},
  year         = {1993},
  timestamp    = {Wed, 29 Mar 2017 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/conf/dbpl/LibkinW93a.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/pods/LibkinW93,
  author       = {Leonid Libkin and
                  Limsoon Wong},
  editor       = {Catriel Beeri},
  title        = {Semantic Representations and Query Languages for Or-sets},
  booktitle    = {Proceedings of the Twelfth {ACM} {SIGACT-SIGMOD-SIGART} Symposium
                  on Principles of Database Systems, May 25-28, 1993, Washington, DC,
                  {USA}},
  pages        = {37--48},
  publisher    = {{ACM} Press},
  year         = {1993},
  url          = {https://doi.org/10.1145/153850.153854},
  doi          = {10.1145/153850.153854},
  timestamp    = {Tue, 06 Nov 2018 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/conf/pods/LibkinW93.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/actaC/DemetrovicsHLM92,
  author       = {J{\'{a}}nos Demetrovics and
                  G. Hencsey and
                  Leonid Libkin and
                  Ilya B. Muchnik},
  title        = {On the Interaction Between Closure Operations and Choice Functions
                  with Applications to Relational Database},
  journal      = {Acta Cybern.},
  volume       = {10},
  number       = {3},
  pages        = {129--139},
  year         = {1992},
  url          = {https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3401},
  timestamp    = {Wed, 16 Sep 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/actaC/DemetrovicsHLM92.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/actaC/DemetrovicsHLM92a,
  author       = {J{\'{a}}nos Demetrovics and
                  G. Hencsey and
                  Leonid Libkin and
                  Ilya B. Muchnik},
  title        = {Normal Form Relation Schemes: {A} New Characterization},
  journal      = {Acta Cybern.},
  volume       = {10},
  number       = {3},
  pages        = {141--153},
  year         = {1992},
  url          = {https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3402},
  timestamp    = {Wed, 16 Sep 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/actaC/DemetrovicsHLM92a.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/dam/DemetrovicsLM92,
  author       = {J{\'{a}}nos Demetrovics and
                  Leonid Libkin and
                  Ilya B. Muchnik},
  title        = {Functional Dependencies in Relational Databases: {A} Lattice Point
                  of View},
  journal      = {Discret. Appl. Math.},
  volume       = {40},
  number       = {2},
  pages        = {155--185},
  year         = {1992},
  url          = {https://doi.org/10.1016/0166-218X(92)90028-9},
  doi          = {10.1016/0166-218X(92)90028-9},
  timestamp    = {Mon, 28 Aug 2023 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/dam/DemetrovicsLM92.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/eatcs/Libkin92,
  author       = {Leonid Libkin},
  title        = {An elementary proof that upper and lower powerdomain constructions
                  commute},
  journal      = {Bull. {EATCS}},
  volume       = {48},
  pages        = {175--177},
  year         = {1992},
  timestamp    = {Thu, 18 Jun 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/eatcs/Libkin92.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/eik/BiskupDLM91,
  author       = {Joachim Biskup and
                  J{\'{a}}nos Demetrovics and
                  Leonid Libkin and
                  Ilya B. Muchnik},
  title        = {On Relational Database Schemes Having Unique Minimal Key},
  journal      = {J. Inf. Process. Cybern.},
  volume       = {27},
  number       = {4},
  pages        = {217--225},
  year         = {1991},
  timestamp    = {Fri, 06 Mar 2020 00:00:00 +0100},
  biburl       = {https://dblp.org/rec/journals/eik/BiskupDLM91.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Libkin91,
  author       = {Leonid Libkin},
  editor       = {Bernhard Thalheim and
                  J{\'{a}}nos Demetrovics and
                  Hans{-}Detlef Gerhardt},
  title        = {A Relational Algebra for Complex Objects Based on Partial Information},
  booktitle    = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
                  and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {495},
  pages        = {29--43},
  publisher    = {Springer},
  year         = {1991},
  url          = {https://doi.org/10.1007/3-540-54009-1\_3},
  doi          = {10.1007/3-540-54009-1\_3},
  timestamp    = {Tue, 14 May 2019 10:00:50 +0200},
  biburl       = {https://dblp.org/rec/conf/mfdbs/Libkin91.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfps/JungLP91,
  author       = {Achim Jung and
                  Leonid Libkin and
                  Hermann Puhlmann},
  editor       = {Stephen D. Brookes and
                  Michael G. Main and
                  Austin Melton and
                  Michael W. Mislove and
                  David A. Schmidt},
  title        = {Decomposition of Domains},
  booktitle    = {Mathematical Foundations of Programming Semantics, 7th International
                  Conference, Pittsburgh, PA, USA, March 25-28, 1991, Proceedings},
  series       = {Lecture Notes in Computer Science},
  volume       = {598},
  pages        = {235--258},
  publisher    = {Springer},
  year         = {1991},
  url          = {https://doi.org/10.1007/3-540-55511-0\_12},
  doi          = {10.1007/3-540-55511-0\_12},
  timestamp    = {Tue, 14 May 2019 10:00:55 +0200},
  biburl       = {https://dblp.org/rec/conf/mfps/JungLP91.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@article{DBLP:journals/actaC/GottlobL90,
  author       = {Georg Gottlob and
                  Leonid Libkin},
  title        = {Investigations on Armstrong relations, dependency inference, and excluded
                  functional dependencies},
  journal      = {Acta Cybern.},
  volume       = {9},
  number       = {4},
  pages        = {385--402},
  year         = {1990},
  url          = {https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3383},
  timestamp    = {Wed, 16 Sep 2020 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/actaC/GottlobL90.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/DemetrovicsLM89,
  author       = {J{\'{a}}nos Demetrovics and
                  Leonid Libkin and
                  Ilya B. Muchnik},
  editor       = {J{\'{a}}nos Demetrovics and
                  Bernhard Thalheim},
  title        = {Functional Dependencies and the Semilattice of Closed Classes},
  booktitle    = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
                  Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series       = {Lecture Notes in Computer Science},
  volume       = {364},
  pages        = {136--147},
  publisher    = {Springer},
  year         = {1989},
  url          = {https://doi.org/10.1007/3-540-51251-9\_10},
  doi          = {10.1007/3-540-51251-9\_10},
  timestamp    = {Tue, 14 May 2019 10:00:50 +0200},
  biburl       = {https://dblp.org/rec/conf/mfdbs/DemetrovicsLM89.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
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