@article{VLDB-2013-DengF,
	author        = "Ting Deng and Wenfei Fan",
	ee            = "http://www.vldb.org/pvldb/vol6/p577-deng.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 8,
	pages         = "577--588",
	title         = "{On the Complexity of Query Result Diversification}",
	volume        = 6,
	year          = 2013,
}