@inproceedings{VLDB-1981-Adiba,
	author        = "Michel E. Adiba",
	booktitle     = "{Proceedings of the Seventh International Conference on Very Large Data Bases}",
	cdrom         = "VLDB81/P293.PDF",
	pages         = "293--305",
	publisher     = "{IEEE Computer Society}",
	title         = "{Derived Relations: A Unified Mechanism for Views, Snapshots, and Distributed Data}",
	year          = 1981,
}