Trends in Practical Applications of Agents, Multi-Agent Systems and Sustainability - Bajo, Javier; Hernández, Josefa Z.; Mathieu, Philippe; Alonso-Betanzos, Amparo; Botti, Vicente; Campbell, Andrew; Fernández-Caballero, Antonio; Jiménez-López, María Dolores; Julián, Vicente; Moreno, María N. (Springer International Publishing, 2015)