Highlights on Practical Applications of Agents and Multi-Agent Systems [electronic resource] : International Workshops of PAAMS 2013, Salamanca, Spain, May 22-24, 2013. Proceedings / edited by Juan M. Corchado, Javier Bajo, Jaroslaw Kozlak, Pawel Pawlewski, Jose M. Molina, Vicente Julian, Ricardo Azambuja Silveira, Rainer Unland, Sylvain Giroux.