Michael Bauland, Philippe Chapdelaine, Nadia Creignou, Miki Hermann, Heribert Vollmer. An Algebraic Approach to the Complexity of Generalized Conjunctive Queries. In Holger H. Hoos, David G. Mitchell, editors, Theory and Applications of Satisfiability Testing, 7th International Conference, SAT 2004, Vancouver, BC, Canada, May 10-13, 2004, Revised Selected Papers. Volume 3542 of Lecture Notes in Computer Science, pages 30-45, Springer, 2004. [doi]
Abstract is missing.