@article{parra-arnau12IJSIA,
author        = "Javier Parra-Arnau and David Rebollo-Monedero and Jordi Forn{\'e}",
title         = "A Privacy-Protecting Architecture for Recommendation Systems via the Suppression of Ratings",
journal       = "Int. J. Security, Appl. ({IJSIA})",
volume        = "6",
number        = "2",
pages         = "61--80",
month         = "apr",
year          = "2012",
publisher     = "Sci., Eng. Res. Support Soc.",
doi			  = "http://www.sersc.org/journals/IJSIA/vol6_no2_2012/5.pdf"
}