@inproceedings{SIGIR-2011-HaoCPZ,
	author        = "Qiang Hao and Rui Cai and Yanwei Pang and Lei Zhang",
	booktitle     = "{Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2009916.2010020",
	isbn          = "978-1-4503-0757-4",
	pages         = "775--784",
	publisher     = "{ACM}",
	title         = "{From one tree to a forest: a unified solution for structured web data extraction}",
	year          = 2011,
}