@inproceedings{VLDB-2007-DasGKS,
	author        = "Gautam Das and Dimitrios Gunopulos and Nick Koudas and Nikos Sarkas",
	booktitle     = "{Proceedings of the 33rd International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/2007/papers/research/p183-das.pdf",
	isbn          = "978-1-59593-649-3",
	pages         = "183--194",
	publisher     = "{ACM}",
	title         = "{Ad-hoc Top-k Query Answering for Data Streams}",
	year          = 2007,
}