Knowledge and Systems Sciences 19th International Symposium, KSS 2018, Tokyo, Japan, November 25-27, 2018, Proceedings - Chen, Jian; Chen, Jian; Yamada, Yuji; Yamada, Yuji; Ryoke, Mina; Ryoke, Mina; Tang, Xijin; Tang, Xijin (Springer Singapore : Imprint: Springer, 2018)