Pablo Barceló. Semantic Acyclicity for Conjunctive Queries: Approximations and Constraints. In Jouko A. Väänänen, Åsa Hirvonen, Ruy J. G. B. de Queiroz, editors, Logic, Language, Information, and Computation - 23rd International Workshop, WoLLIC 2016, Puebla, Mexico, August 16-19th, 2016. Proceedings. Volume 9803 of Lecture Notes in Computer Science, pages 104-108, Springer, 2016. [doi]
Abstract is missing.