@inproceedings{SIGMOD-1988-Malvestuto,
	author        = "Francesco M. Malvestuto",
	booktitle     = "{Proceedings of the 18th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD88/P082.PDF",
	doi           = "10.1145/50202.50211",
	pages         = "82--89",
	title         = "{The Derivation Problem for Summary Data}",
	year          = 1988,
}