Hybrid Artificial Intelligent Systems 14th International Conference, HAIS 2019, León, Spain, September 4-6, 2019, Proceedings - Pérez García, Hilde; Pérez García, Hilde; Sánchez González, Lidia; Sánchez González, Lidia; Castejón Limas, Manuel; Castejón Limas, Manuel; Quintián Pardo, Héctor; Quintián Pardo, Héctor; Corchado Rodríguez, Emilio; Corchado Rodríguez, Emilio (Springer International Publishing : Imprint: Springer, 2019)