@inproceedings{CIKM-2009-HeCPQMG,
	author        = "Qi He and Bi Chen and Jian Pei and Baojun Qiu and Prasenjit Mitra and C. Lee Giles",
	booktitle     = "{Proceedings of the 18th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1645953.1646076",
	isbn          = "978-1-60558-512-3",
	pages         = "957--966",
	publisher     = "{ACM}",
	title         = "{Detecting topic evolution in scientific literature: how can citations help?}",
	year          = 2009,
}