Victor Felea. On Containment of Conjunctive Queries with Negation. In Janis Grundspenkis, Tadeusz Morzy, Gottfried Vossen, editors, Advances in Databases and Information Systems, 13th East European Conference, ADBIS 2009, Riga, Latvia, September 7-10, 2009. Proceedings. Volume 5739 of Lecture Notes in Computer Science, pages 206-218, Springer, 2009. [doi]
Abstract is missing.