@inproceedings{CIKM-2009-QianLLXSS,
	author        = "Tieyun Qian and Qing Li and Bing Liu and Hui Xiong and Jaideep Srivastava and Phillip C.-Y. Sheu",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646245",
	isbn          = "978-1-60558-512-3",
	pages         = "1843--1846",
	publisher     = "{ACM}",
	title         = "{What’s behind topic formation and development: a perspective of community core groups}",
	year          = 2009,
}