Data science 5th International Conference of Pioneering Computer Scientists, Engineers and Educators, ICPCSEE 2019, Guilin, China, September 20–23, 2019 : proceedings : part 1 - Cheng, Xiaohui ca. 20./21. Jahrhundert; Jing, Weipeng; Song, Xianhua; Lu, Zeguang (Springer, 2019)