Reinhard Pichler, Stefan Rümmele, Stefan Szeider, Stefan Woltran. Tractable Answer-Set Programming with Weight Constraints: Bounded Treewidth Is not Enough. In Fangzhen Lin, Ulrike Sattler, Miroslaw Truszczynski, editors, Principles of Knowledge Representation and Reasoning: Proceedings of the Twelfth International Conference, KR 2010, Toronto, Ontario, Canada, May 9-13, 2010. AAAI Press, 2010. [doi]
Abstract is missing.