@article{VLDB-2012-RanuS11,
	author        = "Sayan Ranu and Ambuj K. Singh",
	ee            = "http://www.vldb.org/pvldb/vol5/p169_sayanranu_vldb2012.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 3,
	pages         = "169--180",
	title         = "{Answering Top-k Queries Over a Mixture of Attractive and Repulsive Dimensions}",
	volume        = 5,
	year          = 2011,
}