Technologies and Innovation 4th International Conference, CITI 2018, Guayaquil, Ecuador, November 6-9, 2018, Proceedings - Valencia-García, Rafael; Valencia-García, Rafael; Alcaraz-Mármol, Gema; Alcaraz-Mármol, Gema; Del Cioppo-Morstadt, Javier; Del Cioppo-Morstadt, Javier; Vera-Lucio, Néstor; Vera-Lucio, Néstor; Bucaram-Leverone, Martha; Bucaram-Leverone, Martha (Springer International Publishing : Imprint: Springer, 2018)