@inproceedings{CIKM-2009-WangHLS,
	author        = "Ye-Yi Wang and Raphael Hoffmann and Xiao Li and Jakub Szymanski",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1645961",
	isbn          = "978-1-60558-512-3",
	pages         = "37--46",
	publisher     = "{ACM}",
	title         = "{Semi-supervised learning of semantic classes for query understanding: from the web and for the web}",
	year          = 2009,
}