@inproceedings{RecSys-2015-LiuWS,
	author        = "Ziqi Liu and Yu-Xiang Wang and Alexander J. Smola",
	booktitle     = "{Proceedings of the Ninth Conference on Recommender Systems}",
	doi           = "10.1145/2792838.2800191",
	isbn          = "978-1-4503-3692-5",
	pages         = "171--178",
	publisher     = "{ACM}",
	title         = "{Fast Differentially Private Matrix Factorization}",
	year          = 2015,
}