@inproceedings{SIGIR-2011-WuYLLYX,
	author        = "Jiajin Wu and Zhihao Yang and Yuan Lin and Hongfei Lin and Zheng Ye and Kan Xu",
	booktitle     = "{Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2009916.2010064",
	isbn          = "978-1-4503-0757-4",
	pages         = "1091--1092",
	publisher     = "{ACM}",
	title         = "{Learning to rank using query-level regression}",
	year          = 2011,
}