Hybrid Artificial Intelligent Systems 13th International Conference, HAIS 2018, Oviedo, Spain, June 20-22, 2018, Proceedings - de Cos Juez, Francisco Javier; de Cos Juez, Francisco Javier; Villar, José Ramón; Villar, José Ramón; de la Cal, Enrique A.; de la Cal, Enrique A.; Herrero, Álvaro; Herrero, Álvaro; Quintián, Héctor; Quintián, Héctor; Sáez, José António; Sáez, José António; et al. (Springer International Publishing : Imprint: Springer, 2018)