@inproceedings{VLDB-2003-MadhavanH,
	author        = "Jayant Madhavan and Alon Y. Halevy",
	booktitle     = "{Proceedings of the 29th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/2003/papers/S18P01.pdf",
	isbn          = "0-12-722442-4",
	pages         = "572--583",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Composing Mappings Among Data Sources}",
	year          = 2003,
}