@inproceedings{CIKM-2013-LiuN,
	author        = "Rui Liu and Eric Nyberg",
	booktitle     = "{Proceedings of the 22nd ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2505515.2505678",
	isbn          = "978-1-4503-2263-8",
	pages         = "79--88",
	publisher     = "{ACM}",
	title         = "{A phased ranking model for question answering}",
	year          = 2013,
}