@inproceedings{SIGIR-2012-YuanCSLM,
	author        = "Quan Yuan and Gao Cong and Aixin Sun and Chin-Yew Lin and Nadia Magnenat-Thalmann",
	booktitle     = "{Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2348283.2348389",
	isbn          = "978-1-4503-1472-5",
	pages         = "791--800",
	publisher     = "{ACM}",
	title         = "{Category hierarchy maintenance: a data-driven approach}",
	year          = 2012,
}