@article{VLDB-2009-CongJW,
	author        = "Gao Cong and Christian S. Jensen and Dingming Wu",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-677.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "337--348",
	title         = "{Efficient Retrieval of the Top-k Most Relevant Spatial Web Objects}",
	volume        = 2,
	year          = 2009,
}