@inproceedings{ICML-2006-LiM,
	author        = "Wei Li and Andrew McCallum",
	booktitle     = "{Proceedings of the 23rd International Conference on Machine Learning}",
	doi           = "10.1145/1143844.1143917",
	isbn          = "1-59593-383-2",
	pages         = "577--584",
	publisher     = "{ACM}",
	series        = "{ACM International Conference Proceeding Series}",
	title         = "{Pachinko allocation: DAG-structured mixture models of topic correlations}",
	volume        = 148,
	year          = 2006,
}