Pablo Barceló, Miguel Romero 0001, Moshe Y. Vardi. Does query evaluation tractability help query containment?. In Richard Hull, Martin Grohe, editors, Proceedings of the 33rd ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, PODS'14, Snowbird, UT, USA, June 22-27, 2014. pages 188-199, ACM, 2014. [doi]
Abstract is missing.