@inproceedings{SIGMOD-1988-LaurentS,
	author        = "Dominique Laurent and Nicolas Spyratos",
	booktitle     = "{Proceedings of the 18th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD88/P066.PDF",
	doi           = "10.1145/50202.50209",
	pages         = "66--73",
	title         = "{Partition Semantics for Incomplete Information in Relational Databases}",
	year          = 1988,
}