@inproceedings{PODS-2012-LiuRV,
	author        = "Zhenming Liu and Bozidar Radunovic and Milan Vojnovic",
	booktitle     = "{Proceedings of the 31st Symposium on Principles of Database Systems}",
	doi           = "10.1145/2213556.2213597",
	isbn          = "978-1-4503-1248-6",
	pages         = "307--318",
	publisher     = "{ACM}",
	title         = "{Continuous distributed counting for non-monotonic streams}",
	year          = 2012,
}