@article{VLDB-2014-ChenHX13,
	author        = "Qian Chen and Haibo Hu and Jianliang Xu",
	ee            = "http://www.vldb.org/pvldb/vol7/p49-chen.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "49--60",
	title         = "{Authenticating Top-k Queries in Location-based Services with Confidentiality}",
	volume        = 7,
	year          = 2013,
}