@inproceedings{SIGIR-2008-DingLLP,
	author        = "Chris H. Q. Ding and Tao Li and Dijun Luo and Wei Peng",
	booktitle     = "{Proceedings of the 31st International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/1390334.1390527",
	isbn          = "978-1-60558-164-4",
	pages         = "831--832",
	publisher     = "{ACM}",
	title         = "{Posterior probabilistic clustering using NMF}",
	year          = 2008,
}