Now showing items 1-4 of 4

    • Evaluation of a query-obfuscation mechanism for the privacy protection of user profile 

      Estrada, Jose Antonio; Rodríguez, Ana Fernanda; Parra-Arnau, Javier; Forné Muñoz, Jorge (2014-06-30)
      Article
      Open Access
      Traces related to our identity are left every day while we browse the Internet. Being the user’s information a very valued asset for most of the companies, user activities on Internet are permanently monitored, and the ...
    • On collaborative anonymous communications in lossy networks 

      Rebollo-Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve; Parra-Arnau, Javier; Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica (2013-05-17)
      Article
      Restricted access - publisher's policy
      Message encryption does not prevent eavesdroppers from unveiling who is communicating with whom, when, or how frequently, a privacy risk wireless networks are particularly vulnerable to. The Crowds protocol, a well-established ...
    • On content-based recommendation and user privacy in social-tagging systems 

      Puglisi, Silvia; Parra-Arnau, Javier; Forné Muñoz, Jorge; Rebollo Monedero, David (Elsevier, 2015-09-01)
      Article
      Open Access
      Recommendation systems and content filtering approaches based on annotations and ratings, essentially rely on users expressing their preferences and interests through their actions, in order to provide personalised content. ...
    • Optimal forgery and suppression of ratings for privacy enhancement in recommendation systems 

      Parra-Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (2014-03)
      Article
      Open Access
      Recommendation systems are information-filtering systems that tailor information to users on the basis of knowledge about their preferences. The ability of these systems to profile users is what enables such intelligent ...