@inproceedings{SIGIR-2011-GaoTY,
	author        = "Jianfeng Gao and Kristina Toutanova and Wen-tau Yih",
	booktitle     = "{Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2009916.2010007",
	isbn          = "978-1-4503-0757-4",
	pages         = "675--684",
	publisher     = "{ACM}",
	title         = "{Clickthrough-based latent semantic models for web search}",
	year          = 2011,
}