Massively Multi-Agent Systems II International Workshop, MMAS 2018, Stockholm, Sweden, July 14, 2018, Revised Selected Papers - Lin, Donghui; Lin, Donghui; Ishida, Toru; Ishida, Toru; Zambonelli, Franco; Zambonelli, Franco; Noda, Itsuki; Noda, Itsuki (Springer International Publishing : Imprint: Springer, 2019)