@inproceedings{CIKM-1999-WangOL,
	author        = "Hui Wang and Maria E. Orlowska and Weifa Liang",
	booktitle     = "{Proceedings of the Eighth ACM International Conference on Information and Knowledge Management}",
	cdrom         = "CIKM1999/P375.pdf",
	doi           = "10.1145/319950.320030",
	isbn          = "1-58113-146-1",
	pages         = "375--382",
	publisher     = "{ACM}",
	title         = "{Efficient Refreshment of Materialized Views with Multiple Sources}",
	year          = 1999,
}