@inproceedings{SIGIR-2011-WangWZH,
	author        = "Hongning Wang and Chi Wang and ChengXiang Zhai and Jiawei Han",
	booktitle     = "{Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2009916.2009976",
	isbn          = "978-1-4503-0757-4",
	pages         = "435--444",
	publisher     = "{ACM}",
	title         = "{Learning online discussion structures by conditional random fields}",
	year          = 2011,
}