Analysis of Experimental Algorithms Special Event, SEA² 2019, Kalamata, Greece, June 24-29, 2019, Revised Selected Papers - Kotsireas, Ilias; Kotsireas, Ilias; Pardalos, Panos; Pardalos, Panos; Parsopoulos, Konstantinos E.; Parsopoulos, Konstantinos E.; Souravlias, Dimitris; Souravlias, Dimitris; Tsokas, Arsenis; Tsokas, Arsenis (Springer International Publishing : Imprint: Springer, 2019)