• LaCOLLA: Middleware for self-sufficient online collaboration 

      Marquès Puig, Joan Manel; Vilajosana Guillen, Xavier; Daradoumis, Athanasios; Navarro Moldes, Leandro (IEEE, 2007-11)
      Article
      Accés obert
      The LaCOLLA middleware makes it possible for collaborators to interact using their own resources without depending on centralized regimes. By contributing their own resources, group members can organize and communicate ...
    • SR-1: A simulation-based algorithm for the capacitated vehicle routing problem 

      Faulín Fajardo, Francisco Javier; Gilibert Sunyé, Miquel; Juan Pérez, Angel Alejandro; Vilajosana Guillen, Xavier; Ruiz García, Rubén (ISI Proceedings, 2008-12)
      Capítol de llibre
      Accés obert
      In this paper we present SR-1, a simulation-based heuristic algorithm for the capacitated vehicle routing oroblem (CVRP). Given a CVRP instance, SR-1 uses an initial “good solution”, such as the one provided by the classical ...
    • ZERO: probabilistic routing for deploy and forget wireless sensor networks 

      Vilajosana Guillen, Xavier; Juan Pérez, Angel Alejandro; Llosa, J; Pacho, C; Vilajosana Guillen, Ignasi; López Vicario, José; Morell, A (2010)
      Article
      Accés obert
      As Wireless Sensor Networks are being adopted by industry and agriculture for large-scale and unattended deployments, the need for reliable and energy-conservative protocols become critical. Physical and Link layer efforts ...