Advances in Practical Applications of Heterogeneous Multi-Agent Systems. The PAAMS Collection 12th International Conference, PAAMS 2014, Salamanca, Spain, June 4-6, 2014. Proceedings - Demazeau, Yves; Zambonelli, Franco; Corchado, Juan M.; Bajo, Javier (Springer International Publishing : Imprint: Springer, 2014)