@inproceedings{CIKM-2002-LiuC,
	author        = "Xiaoyong Liu and W. Bruce Croft",
	booktitle     = "{Proceedings of the 11th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/584792.584854",
	pages         = "375--382",
	publisher     = "{ACM}",
	title         = "{Passage retrieval based on language models}",
	year          = 2002,
}