@inproceedings{PODS-2010-GrecoS,
	author        = "Gianluigi Greco and Francesco Scarcello",
	booktitle     = "{Proceedings of the 29th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1807085.1807127",
	isbn          = "978-1-4503-0033-9",
	pages         = "327--338",
	publisher     = "{ACM}",
	title         = "{The power of tree projections: local consistency, greedy algorithms, and larger islands of tractability}",
	year          = 2010,
}