Advances in Artificial Intelligence 15th Conference of the Spanish Association for Artificial Intelligence, CAEPIA 2013, Madrid, Spain, September 17-20, 2013. Proceedings - Bielza, Concha; Salmerón, Antonio; Alonso-Betanzos, Amparo; Hidalgo, J. Ignacio; Martínez, Luis; Troncoso, Alicia; Corchado, Emilio; Corchado, Juan M. (Springer Berlin Heidelberg : Imprint: Springer, 2013)