@inproceedings{PODS-2002-HurtadoM,
	author        = "Carlos A. Hurtado and Alberto O. Mendelzon",
	booktitle     = "{Proceedings of the 21st Symposium on Principles of Database Systems}",
	doi           = "10.1145/543613.543636",
	ee            = "http://www.acm.org/sigs/sigmod/pods/proc02/papers/169-HurtadoM.pdf",
	isbn          = "1-58113-507-6",
	pages         = "169--179",
	publisher     = "{ACM}",
	title         = "{OLAP Dimension Constraints}",
	year          = 2002,
}