@inproceedings{PODS-1985-BancilhonS,
	author        = "François Bancilhon and Nicolas Spyratos",
	booktitle     = "{Proceedings of the Fourth Symposium on Principles of Database Systems}",
	cdrom         = "['journals/anthology/cd1-3:PODS85/P149.PDF', 'journals/anthology/dvd1:text/1-3/PODS85/P149.PDF']",
	doi           = "10.1145/325405.325424",
	isbn          = "0-89791-153-9",
	pages         = "149--153",
	publisher     = "{ACM}",
	title         = "{Algebraic Versus Probabilistic Independence in Data Bases}",
	year          = 1985,
}