@inproceedings {4355,
	title = {Identifying Frequent Items in Sliding Windows Over on-Line Packet Streams},
	booktitle = {ACM/SIGCOMM Internet Measurement Conference (IMC)},
	year = {2003},
	doi = {10.1145/948205.948227},
	author = {Lukasz Golab and David DeHaan and Erik D. Demaine and Alejandro L{\'o}pez-Ortiz and J. Ian Munro}
}
