@article{CormodeMuthukrishnan05TODS,
	author={G. Cormode and S. Muthukrishnan},
	journal={{ACM} Transactions on Database Systems},
	month={March},
	note={},
	number=1,
	pages={249--278},
	title={What's Hot and What's Not: Tracking Most Frequent Items Dynamically},
	volume=30,
	year=2005,
}