Dear Colleagues, we would like to invite you to participate or organize a special session at LION12: Learning and Intelligent OptimizatioN Conference LION 12, Kalamata, Greece, June 10-15, 2018 http://www.caopt.com/LION12/ Sincerely, Technical Program Committee Chairs Roberto Battiti, Universita degli Studi di Trento Mauro Brunato, Universita degli Studi di Trento Ilias Kotsireas, Wilfrid Laurier University, Canada Panos Pardalos, University of Florida, United States