Preserving privacy in collaborative filtering through distributed aggregation of offline profiles

@inproceedings{Shokri2009PreservingPI,
  title={Preserving privacy in collaborative filtering through distributed aggregation of offline profiles},
  author={Reza Shokri and Pedram Pedarsani and George Theodorakopoulos and Jean-Pierre Hubaux},
  booktitle={RecSys '09},
  year={2009}
}
  • Reza Shokri, Pedram Pedarsani, +1 author Jean-Pierre Hubaux
  • Published in RecSys '09 2009
  • Computer Science
  • In recommender systems, usually, a central server needs to have access to users' profiles in order to generate useful recommendations. Having this access, however, undermines the users' privacy. The more information is revealed to the server on the user-item relations, the lower the users' privacy is. Yet, hiding part of the profiles to increase the privacy comes at the cost of recommendation accuracy or difficulty of implementing the method. In this paper, we propose a distributed mechanism… CONTINUE READING

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