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- case-insensitive prefix search: default
e.g., sig matches "SIGIR" as well as "signal"
- exact word search: append dollar sign ($) to word
e.g., graph$ matches "graph", but not "graphics"
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Update May 7, 2017: Please note that we had to disable the phrase search operator (.) and the boolean not operator (-) due to technical problems. For the time being, phrase search queries will yield regular prefix search result, and search terms preceded by a minus will be interpreted as regular (positive) search terms.
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- Jongpill Choi, Minkoo Kim, Vijay V. Raghavan:
Adaptive relevance feedback method of extended Boolean model using hierarchical clustering techniques. Inf. Process. Manag. 42(2): 331-349 (2006)
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