@inproceedings{SIGMOD-1996-HullZ,
	author        = "Richard Hull and Gang Zhou",
	booktitle     = "{Proceedings of the 26th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD96/P481.PDF",
	doi           = "10.1145/233269.233365",
	pages         = "481--492",
	publisher     = "{ACM Press}",
	title         = "{A Framework for Supporting Data Integration Using the Materialized and Virtual Approaches}",
	year          = 1996,
}