Big Data – BigData 2020: 9th International Conference, Held as Part of the Services Conference Federation, SCF 2020, Honolulu, HI, USA, September 18–20, 2020, Proceedings - Nepal; Bhuiyan, Zakirul Alam; Cao, Wenqi; Guo, Xuan; Nasridinov, Aziz; Zhang, Liang-Jie (Springer International Publishing, 2020)