@inproceedings{KDD-2006-TanSZ,
	author        = "Bin Tan and Xuehua Shen and ChengXiang Zhai",
	booktitle     = "{Proceedings of the 12th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/1150402.1150493",
	isbn          = "1-59593-339-5",
	pages         = "718--723",
	publisher     = "{ACM}",
	title         = "{Mining long-term search history to improve search accuracy}",
	year          = 2006,
}