Carsten Lutz. The Complexity of Conjunctive Query Answering in Expressive Description Logics. In Alessandro Armando, Peter Baumgartner, Gilles Dowek, editors, Automated Reasoning, 4th International Joint Conference, IJCAR 2008, Sydney, Australia, August 12-15, 2008, Proceedings. Volume 5195 of Lecture Notes in Computer Science, pages 179-193, Springer, 2008. [doi]
Abstract is missing.