Economics of Grids, Clouds, Systems, and Services 16th International Conference, GECON 2019, Leeds, UK, September 17-19, 2019, Proceedings - Djemame, Karim; Djemame, Karim; Altmann, Jörn; Altmann, Jörn; Bañares, José Ángel; Bañares, José Ángel; Agmon Ben-Yehuda, Orna; Agmon Ben-Yehuda, Orna; Naldi, Maurizio; Naldi, Maurizio (Springer International Publishing : Imprint: Springer, 2019)