Leveraging Social and Content-based Recommendation in P2P Systems

Fady Draidi 1, 2 Esther Pacitti 2 Michelle Cart 1, 2 Hinde Lilia Bouziane 2
2 ZENITH - Scientific Data Management
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : We focus on peer-to-peer (P2P) content recommendation for on-line communities, where social relationships between users can be exploited as a parameter to increase the trust of recommendation. Most of the existing solutions establish friendship relationships based on users behavior or declared trust. In this paper, we propose a novel P2P recommendation approach (called F2Frec) that leverages content and social-based recommendation by maintaining a P2P and friend-to-friend network. This network is used as a basis to provide useful and high quality recommendations. Based on F2Frec, we propose new metrics, such as usefulness and similarity (among users and their respective friend network), necessary to enable friendship establishment and to select recommendations. We define our proposed metrics based on users' topic of interest and relevant topics that are automatically extracted from the contents stored by each user. Our experimental evaluation, using the TREC09 dataset and Wiki vote social network, shows the benefits of our approach compared to anonymous recommendation. In addition, we show that F2Frec increases recall by a factor of 8.8 compared with centralized collaborative filtering.
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Communication dans un congrès
AP2PS11: 3rd International Conference on Advances in P2P Systems, Nov 2011, Lisbon, Portugal. pp.13-18, 2011, 〈http://www.iaria.org/conferences2011/AP2PS11.html〉
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Fady Draidi, Esther Pacitti, Michelle Cart, Hinde Lilia Bouziane. Leveraging Social and Content-based Recommendation in P2P Systems. AP2PS11: 3rd International Conference on Advances in P2P Systems, Nov 2011, Lisbon, Portugal. pp.13-18, 2011, 〈http://www.iaria.org/conferences2011/AP2PS11.html〉. 〈lirmm-00640735〉

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