Intelligence Science and Big Data Engineering. Visual Data Engineering 9th International Conference, IScIDE 2019, Nanjing, China, October 17-20, 2019, Proceedings, Part I - Cui, Zhen; Cui, Zhen; Pan, Jinshan; Pan, Jinshan; Zhang, Shanshan; Zhang, Shanshan; Xiao, Liang; Xiao, Liang; Yang, Jian; Yang, Jian (Springer International Publishing : Imprint: Springer, 2019)