Learning and Intelligent Optimization 12th International Conference, LION 12, Kalamata, Greece, June 10-15, 2018, Revised Selected Papers - Battiti, Roberto; Battiti, Roberto; Brunato, Mauro; Brunato, Mauro; Kotsireas, Ilias; Kotsireas, Ilias; Pardalos, Panos M.; Pardalos, Panos M. (Springer International Publishing : Imprint: Springer, 2019)