@conference {gao_towards_2012,
	title = {Towards concept-based translation models using search logs for query expansion},
	booktitle = {Proceedings of the 21st ACM international conference on information and knowledge management},
	year = {2012},
	pages = {1},
	publisher = {ACM},
	organization = {ACM},
	url = {http://dl.acm.org/citation.cfm?id=2530275},
	author = {Gao, Jianfeng and Jian-Yun Nie}
}
