PRIMA 2018: Principles and Practice of Multi-Agent Systems 21st International Conference, Tokyo, Japan, October 29-November 2, 2018, Proceedings - Miller, Tim; Miller, Tim; Oren, Nir; Oren, Nir; Sakurai, Yuko; Sakurai, Yuko; Noda, Itsuki; Noda, Itsuki; Savarimuthu, Bastin Tony Roy; Savarimuthu, Bastin Tony Roy; Cao Son, Tran; Cao Son, Tran (Springer International Publishing : Imprint: Springer, 2018)