@inproceedings{SIGIR-2013-WuF,
	author        = "Hao Wu and Hui Fang",
	booktitle     = "{Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2484028.2484051",
	isbn          = "978-1-4503-2034-4",
	pages         = "553--562",
	publisher     = "{ACM}",
	title         = "{An incremental approach to efficient pseudo-relevance feedback}",
	year          = 2013,
}