@article{VLDB-2014-CaoCJY,
	author        = "Xin Cao and Gao Cong and Christian S. Jensen and Man Lung Yiu",
	ee            = "http://www.vldb.org/pvldb/vol7/p733-cao.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 9,
	pages         = "733--744",
	title         = "{Retrieving Regions of Interest for User Exploration}",
	volume        = 7,
	year          = 2014,
}