@inproceedings{CIKM-2012-ZhouCLZ,
	author        = "Guangyou Zhou and Li Cai and Kang Liu and Jun Zhao",
	booktitle     = "{Proceedings of the 21st ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2396761.2398490",
	isbn          = "978-1-4503-1156-4",
	pages         = "1647--1651",
	publisher     = "{ACM}",
	title         = "{Exploring the existing category hierarchy to automatically label the newly-arising topics in cQA}",
	year          = 2012,
}