@inproceedings{CIKM-2012-LiuQCH,
	author        = "Zhao Liu and Xipeng Qiu and Ling Cao and Xuanjing Huang",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398544",
	isbn          = "978-1-4503-1156-4",
	pages         = "1920--1924",
	publisher     = "{ACM}",
	title         = "{Discovering logical knowledge for deep question answering}",
	year          = 2012,
}