@inproceedings{PODS-2014-Barcelo0V,
	author        = "Pablo Barceló and Miguel Romero and Moshe Y. Vardi",
	booktitle     = "{Proceedings of the 33rd Symposium on Principles of Database Systems}",
	doi           = "10.1145/2594538.2594553",
	isbn          = "978-1-4503-2375-8",
	pages         = "188--199",
	publisher     = "{ACM}",
	title         = "{Does query evaluation tractability help query containment?}",
	year          = 2014,
}