@inproceedings{SIGMOD-2004-CormodeKMS,
	author        = "Graham Cormode and Flip Korn and S. Muthukrishnan and Divesh Srivastava",
	booktitle     = "{Proceedings of the 32nd ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1007568.1007588",
	isbn          = "1-58113-859-8",
	pages         = "155--166",
	publisher     = "{ACM}",
	title         = "{Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data}",
	year          = 2004,
}