@inproceedings{CormodeKornMuthukrishnanSrivastava03,
	author={G. Cormode and F. Korn and S. Muthukrishnan and D. Srivastava},
	booktitle={International Conference on 
                  Very Large Data Bases ({VLDB})},
	note={},
	pages={464-475},
	title={Finding Hierarchical Heavy Hitters in Data Streams},
	year=2003,
}