Highlights on Practical Applications of Agents and Multi-Agent Systems International Workshops of PAAMS 2013, Salamanca, Spain, May 22-24, 2013. Proceedings - Corchado, Juan M.; Bajo, Javier; Kozlak, Jaroslaw; Pawlewski, Pawel; Molina, Jose M.; Julian, Vicente; Silveira, Ricardo Azambuja; Unland, Rainer; Giroux, Sylvain (Springer Berlin Heidelberg : Imprint: Springer, 2013)