@article{VLDB-2011-ZhaoZTC,
	author        = "Feng Zhao and Xiaolong Zhang and Anthony K. H. Tung and Gang Chen",
	ee            = "http://www.vldb.org/pvldb/vol4/p1355-zhao.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 12,
	pages         = "1355--1358",
	title         = "{BROAD: Diversified Keyword Search in Databases}",
	volume        = 4,
	year          = 2011,
}