@inproceedings{parra-arnau14QIFD,  
author		= "Javier Parra-Arnau and David Rebollo-Monedero and Jordi Forné", 
booktitle	= "{PRINCESS} Workshop - Quantitative Information Flow Day",
title		= "Data-perturbative, privacy-enhancing mechanisms for personalized recommendation systems",   
year		= "2014",
month		= "dec",
location	= "Palaiseau, France",
url			= "http://www.lix.polytechnique.fr/comete/Projects/Princess/workshops/quantitative-information-3"
}