Pavel Shvaiko, Jérôme Euzenat, Anastasios Kementsietsidis, Ming Mao, Natasha Fridman Noy, Heiner Stuckenschmidt: Proceedings of the 7th International Workshop on Ontology Matching, Boston, MA, USA, November 11, 2012. CEUR Workshop Proceedings 946, CEUR-WS.org 2012