@inproceedings{PODS-2011-CohenK,
	author        = "Edith Cohen and Haim Kaplan",
	booktitle     = "{Proceedings of the 30th Symposium on Principles of Database Systems}",
	doi           = "10.1145/1989284.1989288",
	isbn          = "978-1-4503-0660-7",
	pages         = "13--24",
	publisher     = "{ACM}",
	title         = "{Get the most out of your sample: optimal unbiased estimators using partial information}",
	year          = 2011,
}