@article{VLDB-2008-ShahabiTX,
	author        = "Cyrus Shahabi and Lu An Tang and Songhua Xing",
	ee            = "http://www.vldb.org/pvldb/1/1453966.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "1020--1031",
	title         = "{Indexing land surface for efficient kNN query}",
	volume        = 1,
	year          = 2008,
}