Hybrid Metaheuristics 11th International Workshop, HM 2019, Concepción, Chile, January 16-18, 2019, Proceedings - Blesa Aguilera, Maria J.; Blesa Aguilera, Maria J.; Blum, Christian; Blum, Christian; Gambini Santos, Haroldo; Gambini Santos, Haroldo; Pinacho-Davidson, Pedro; Pinacho-Davidson, Pedro; Godoy del Campo, Julio; Godoy del Campo, Julio (Springer International Publishing : Imprint: Springer, 2019)