Now showing items 1-6 of 6

    • Contributions to security and privacy protection in recommendation systems 

      Vera del Campo, Juan Victoriano (Universitat Politècnica de Catalunya, 2012-10-29)
      Doctoral thesis
      Open Access
      A recommender system is an automatic system that, given a customer model and a set of available documents, is able to select and offer those documents that are more interesting to the customer. From the point of view of ...
    • Design of a P2P content recommendation system using affinity networks 

      Vera del Campo, Juan Victoriano; Pegueroles Vallés, Josep R.; Hernández Serrano, Juan; Soriano Ibáñez, Miguel (2012-08)
      Article
      Restricted access - publisher's policy
      The success and intensive use of social networks makes strategies for efficient document location a hot topic of research. In this paper, we propose a common vector space to describe documents and users to create a social ...
    • DocCloud: a document recommender system on cloud computing with plausible deniability 

      Vera del Campo, Juan Victoriano; Pegueroles Vallés, Josep R.; Hernández Serrano, Juan; Soriano Ibáñez, Miguel (2013-04-16)
      Article
      Restricted access - publisher's policy
      Recommender systems select the most interesting products for costumers based on their interests. The move of a recommender system to a cloud faces many challenges from the perspective of the protection of the participants. ...
    • Low-cost group rekeying for unattended wireless sensor networks 

      Hernández Serrano, Juan; Vera del Campo, Juan Victoriano; Pegueroles Vallés, Josep R.; Gañán, Carlos (2012)
      Article
      Restricted access - publisher's policy
      Wireless sensor networks (WSNs) are made up of large groups of nodes that perform distributed monitoring services. Since sensor measurements are often sensitive data acquired in hostile environments, securing WSN becomes ...
    • Private audio streaming for an automated phone assistance system 

      Vera del Campo, Juan Victoriano; Gómez Muro, Ana; Soriano Ibáñez, Miguel (IEEE, 2012)
      Conference lecture
      Restricted access - publisher's policy
      In a question-driven phone assistance system, if the answer to one question decides the next one, hiding user's answers is not enough to protect her privacy. In this work, we explore an audio streaming mechanism where the ...
    • The TAMESIS project: enabling technologies for the health status monitoring and secure exchange of clinical record 

      Pegueroles Vallés, Josep R.; Cruz Llopis, Luis Javier de la; Vera del Campo, Juan Victoriano; Hernández Serrano, Juan; León Abarca, Olga (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      Personal Health Systems (PHS) allow to move the point of care from hospitals to the patient's home. Moreover, a PHS usually handles much more information and provides more appropriate diagnostic and personalized treatments ...