Data science and analytics : 5th International Conference on Recent Developments in Science, Engineering and Technology, REDSET 2019, Gurugram, India, November 15-16, 2019, revised selected papers.: 5th International Conference on Recent Developments in Science, Engineering and Technology, REDSET 2019, Gurugram, India, November 15-16, 2019, revised selected papers. Part I ([2020])