@inproceedings{CIKM-2009-CaoSXHYC,
	author        = "Bin Cao and Jian-Tao Sun and Evan Wei Xiang and Derek Hao Hu and Qiang Yang and Zheng Chen",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646108",
	isbn          = "978-1-60558-512-3",
	pages         = "1217--1226",
	publisher     = "{ACM}",
	title         = "{PQC: personalized query classification}",
	year          = 2009,
}