* CETINIA, University Rey Juan Carlos, 28933
Móstoles (Madrid), Spain
** Department of Computing,
Imperial College London, UK
*** Department of Digital Systems, University of Piraeus,
Karaoli and Dimitriou 80, Piraeus, Greece
Environment and Agreement Technologies260-261 Estefanía Argente, Olivier Boissier, Carlos Carrascosa, Nicoletta Fornara, Peter McBurney, Pablo Noriega, Alessandro Ricci, Jordi Sabater-Mir, Michael Ignaz Schumacher, Charalampos Tampitsikas, Kuldar Taveter, Giuseppe Vizzari, George Vouros