Phokion G. Kolaitis. The Query Containment Problem: Set Semantics vs. Bag Semantics. In Loreto Bravo, Maurizio Lenzerini, editors, Proceedings of the 7th Alberto Mendelzon International Workshop on Foundations of Data Management, Puebla/Cholula, Mexico, May 21-23, 2013. Volume 1087 of CEUR Workshop Proceedings, CEUR-WS.org, 2013. [doi]
Abstract is missing.