• Private location-based information retrieval through user collaboration 

      Rebollo Monedero, David; Forné Muñoz, Jorge; Solanas, Agusti; Martínez-Ballesté, Antoni (2009-12-05)
      Article
      Accés restringit per política de l'editorial
      Privacy and security are paramount in the proper deployment of location-based services (LBSs). We present a novel protocol based on user collaboration to privately retrieve location-based information from an LBS provider. ...