FreeRec: an Anonymous and Distributed Personalization Architecture

Abstract : We present and evaluate FreeRec, an anonymous decentral- ized peer-to-peer architecture, designed to bring personalization while protecting the privacy of its users. FreeRec's decentralized approach makes it independent of any entity wishing to collect personal data about users. At the same time, its onion-routing-like gossip-based overlay protocols effectively hide the association between users and their inter- est profiles without affecting the quality of personalization. The core of FreeRec consists of three layers of overlay protocols: the bottom layer, rps, consists of a standard random peer sampling protocol ensur- ing connectivity; the middle layer, PRPS, introduces anonymity by hid- ing users behind anonymous proxy chains, providing mutual anonymity; finally, the top clustering layer identifies for each anonymous user, a set of anonymous nearest neighbors. We demonstrate the effectiveness of FreeRec by building a decentralized and anonymous content dis- semination system. Our evaluation by simulation and through extensive PlanetLab experiments show that FreeRec effectively decouples users from their profiles without hampering the quality of personalized content delivery.
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https://hal.inria.fr/hal-00844813
Contributor : Arnaud Jégou <>
Submitted on : Tuesday, July 16, 2013 - 7:26:37 AM
Last modification on : Friday, November 16, 2018 - 1:39:17 AM
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Antoine Boutet, Davide Frey, Arnaud Jégou, Anne-Marie Kermarrec, Heverson Borba Ribeiro. FreeRec: an Anonymous and Distributed Personalization Architecture. [Technical Report] 2013, pp.20. ⟨hal-00844813⟩

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