@inproceedings{VLDB-1993-HachemQGW,
	author        = "Nabil I. Hachem and Ke Qiu and Michael A. Gennert and Matthew O. Ward",
	booktitle     = "{Proceedings of the 19th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1993/P001.PDF",
	isbn          = "1-55860-152-X",
	pages         = "1--12",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Managing Derived Data in the Gaea Scientific DBMS}",
	year          = 1993,
}