@inproceedings{SAT-J-2004-BaulandCCHV05,
	author        = "Michael Bauland and Philippe Chapdelaine and Nadia Creignou and Miki Hermann and Heribert Vollmer",
	booktitle     = "{Revised Selected Papers of the Seventh International Conference on Theory and Applications of Satisfiability Testing}",
	doi           = "10.1007/11527695_3",
	isbn          = "3-540-27829-X",
	pages         = "30--45",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{An Algebraic Approach to the Complexity of Generalized Conjunctive Queries}",
	volume        = 3542,
	year          = 2005,
}