@inproceedings{SIGIR-2004-GaoNWC,
	author        = "Jianfeng Gao and Jian-Yun Nie and Guangyuan Wu and Guihong Cao",
	booktitle     = "{Proceedings of the 27th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1008992.1009024",
	isbn          = "1-58113-881-4",
	pages         = "170--177",
	publisher     = "{ACM}",
	title         = "{Dependence language model for information retrieval}",
	year          = 2004,
}