Now showing items 1-3 of 3

  • Access control issues in social networks 

    Carreras Coch, Anna; Rodríguez Luna, Eva; Delgado Mercè, Jaime; Maroñas Borras, Xavier (2010-05-19)
    Conference report
    Restricted access - publisher's policy
    Social Networks, as the main axis of Web 2.0, are creating a number of interesting challenges to the research and standardisation communities. In this paper, we analyse the current and future use of access control policies ...
  • How MPEG Query Format enables advanced multimedia functionalities 

    Carreras Coch, Anna; Tous Liesa, Rubén; Delgado Mercè, Jaime (2009)
    Conference report
    Open Access
    In December 2008, ISO/IEC SC29WG11 (more commonly known as MPEG) published the ISO/IEC 15938-12 standard, i.e. the MPEG Query Format (MPQF), providing a uniform search&retrieval interface for multimedia repositories. While ...
  • The Impact of Context Information on User Privacy in Social Networks 

    Carreras Coch, Anna; Delgado Mercè, Jaime; Rodríguez Luna, Eva; Tous, Ruben (Universitat Autònoma de Barcelona (UAB). Servei de Publicacions, 2010)
    Open Access
    Context-aware applications are becoming very popular as they are a mean of enriching users' experiences in multimedia scenarios. Nevertheless, the acquisition, representation, and protection of contextual information are ...