@inproceedings{PODS-2008-SenellartG,
	author        = "Pierre Senellart and Georg Gottlob",
	booktitle     = "{Proceedings of the 27th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1376916.1376921",
	isbn          = "978-1-60558-108-8",
	pages         = "23--32",
	publisher     = "{ACM}",
	title         = "{On the complexity of deriving schema mappings from database instances}",
	year          = 2008,
}