@inproceedings{SAC-2007-HwangY,
	author        = "Seung-won Hwang and Hwanjo Yu",
	booktitle     = "{Proceedings of the 22nd Symposium on Applied Computing}",
	doi           = "10.1145/1244002.1244103",
	editor        = "Yookun Cho and Roger L. Wainwright and Hisham Haddad and Sung Y. Shin and Yong Wan Koo",
	isbn          = "1-59593-480-4",
	pages         = "441--442",
	publisher     = "{ACM}",
	title         = "{Mining and processing category ranking}",
	year          = 2007,
}