Hybrid Artificial Intelligence Systems 9th International Conference, HAIS 2014, Salamanca, Spain, June 11-13, 2014. Proceedings - Polycarpou, Marios; Carvalho, André C. P. L. F. de; Pan, Jeng-Shyang; Woźniak, Michał; Quintian, Héctor; Corchado, Emilio (Springer International Publishing : Imprint: Springer, 2014)