@inproceedings{PODS-2010-CormodeMYZ,
	author        = "Graham Cormode and S. Muthukrishnan and Ke Yi and Qin Zhang",
	booktitle     = "{Proceedings of the 29th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1807085.1807099",
	isbn          = "978-1-4503-0033-9",
	pages         = "77--86",
	publisher     = "{ACM}",
	title         = "{Optimal sampling from distributed streams}",
	year          = 2010,
}