@inproceedings{CIKM-2010-ZhaoC,
	author        = "Le Zhao and Jamie Callan",
	booktitle     = "{Proceedings of the 19th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1871437.1871474",
	isbn          = "978-1-4503-0099-5",
	pages         = "259--268",
	publisher     = "{ACM}",
	title         = "{Term necessity prediction}",
	year          = 2010,
}