@inproceedings{PODS-2005-Kolaitis,
	author        = "Phokion G. Kolaitis",
	booktitle     = "{Proceedings of the 24th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1065167.1065176",
	isbn          = "1-59593-062-0",
	pages         = "61--75",
	publisher     = "{ACM}",
	title         = "{Schema mappings, data exchange, and metadata management}",
	year          = 2005,
}