Computational Collective Intelligence: 12th International Conference, ICCCI 2020, Da Nang, Vietnam, November 30 – December 3, 2020, Proceedings - Nguyen; Hoang, Bao Hung; Huynh, Cong Phap; Hwang, Dosam; Nguyen, Ngoc Thanh; Trawiński, Bogdan; Vossen, Gottfried (Springer International Publishing, 2020)