@inproceedings{SIGMOD-2009-TerleckiBGZ,
	author        = "Pawel Terlecki and Hardik Bati and César A. Galindo-Legaria and Peter Zabback",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1559845.1559943",
	isbn          = "978-1-60558-551-2",
	pages         = "897--904",
	publisher     = "{ACM}",
	title         = "{Filtered statistics}",
	year          = 2009,
}