@inproceedings{KDD-2007-ZhangHZLC,
	author        = "Xian Zhang and Yu Hao and Xiaoyan Zhu and Ming Li and David R. Cheriton",
	booktitle     = "{Proceedings of the 13th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/1281192.1281285",
	isbn          = "978-1-59593-609-7",
	pages         = "874--883",
	publisher     = "{ACM}",
	title         = "{Information distance from a question to an answer}",
	year          = 2007,
}