International Joint Conference SOCO'18-CISIS'18-ICEUTE'18 San Sebastián, Spain, June 6-8, 2018 Proceedings - Graña, Manuel; Graña, Manuel; López-Guede, José Manuel; López-Guede, José Manuel; Etxaniz, Oier; Etxaniz, Oier; Herrero, Álvaro; Herrero, Álvaro; Sáez, José Antonio; Sáez, José Antonio; Quintián, Héctor; Quintián, Héctor; et al. (Springer International Publishing : Imprint: Springer, 2019)