@inproceedings{SIGIR-2007-LiLHC,
	author        = "Yinghao Li and Robert Wing Pong Luk and Edward Kei Shiu Ho and Korris Fu-Lai Chung",
	booktitle     = "{Proceedings of the 30th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1277741.1277914",
	isbn          = "978-1-59593-597-7",
	pages         = "797--798",
	publisher     = "{ACM}",
	title         = "{Improving weak ad-hoc queries using wikipedia as external corpus}",
	year          = 2007,
}