@inproceedings{SIGIR-2011-SongZH,
	author        = "Yang Song and Dengyong Zhou and Li-wei He",
	booktitle     = "{Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2009916.2010025",
	isbn          = "978-1-4503-0757-4",
	pages         = "815--824",
	publisher     = "{ACM}",
	title         = "{Post-ranking query suggestion by diversifying search results}",
	year          = 2011,
}