@article{VLDB-2008-PuY,
	author        = "Ken Q. Pu and Xiaohui Yu",
	ee            = "http://www.vldb.org/pvldb/1/1453955.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "909--920",
	title         = "{Keyword query cleaning}",
	volume        = 1,
	year          = 2008,
}