@inproceedings{STOC-2001-GuhaKS,
	author        = "Sudipto Guha and Nick Koudas and Kyuseok Shim",
	booktitle     = "{Proceedings of the 33rd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/380752.380841",
	isbn          = "1-58113-349-9",
	pages         = "471--475",
	publisher     = "{ACM}",
	title         = "{Data-streams and histograms}",
	year          = 2001,
}