@inproceedings{KDD-2006-WangM,
	author        = "Xuerui Wang and Andrew McCallum",
	booktitle     = "{Proceedings of the 12th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/1150402.1150450",
	isbn          = "1-59593-339-5",
	pages         = "424--433",
	publisher     = "{ACM}",
	title         = "{Topics over time: a non-Markov continuous-time model of topical trends}",
	year          = 2006,
}