@inproceedings{CIKM-2007-HeO,
	author        = "Ben He and Iadh Ounis",
	booktitle     = "{Proceedings of the 16th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1321440.1321479",
	isbn          = "978-1-59593-803-9",
	pages         = "263--272",
	publisher     = "{ACM}",
	title         = "{Parameter sensitivity in the probabilistic model for ad-hoc retrieval}",
	year          = 2007,
}