@inproceedings{SIGMOD-2009-WongCKM,
	author        = "Wai Kit Wong and David Wai-Lok Cheung and Ben Kao and Nikos Mamoulis",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/1559845.1559862",
	isbn          = "978-1-60558-551-2",
	pages         = "139--152",
	publisher     = "{ACM}",
	title         = "{Secure kNN computation on encrypted databases}",
	year          = 2009,
}