@inproceedings{CIKM-2002-LiPHL,
	author        = "Xiaoli Li and Tong-Heng Phang and Minqing Hu and Bing Liu",
	booktitle     = "{Proceedings of the 11th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/584792.584885",
	pages         = "566--573",
	publisher     = "{ACM}",
	title         = "{Using micro information units for internet search}",
	year          = 2002,
}