@article{CormodeKornMuthukrishnanSrivastava08,
	author={Graham Cormode and Flip Korn and S. Muthukrishnan and 
Divesh Srivastava},
	journal={{ACM} Transactions on Knowledge Discovery from Data ({TKDD})},
	month=jan,
	number=4,
	title={Finding Hierarchical Heavy Hitters in Streaming Data},
	volume=1,
	year=2008,
}