@inproceedings{SIGIR-2012-ChaC,
	author        = "Youngchul Cha and Junghoo Cho",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348360",
	isbn          = "978-1-4503-1472-5",
	pages         = "565--574",
	publisher     = "{ACM}",
	title         = "{Social-network analysis using topic models}",
	year          = 2012,
}