1. Faculty of Data Science, Shiga University, Hikone, Japan
2. Base of International Science and Technology Innovation and Cooperation on Big Data Technology and Management, Hunan University of Technology and Business, Changsha, China
3. College of Design and Engineering, National University of Singapore, Singapore
4. School of Computer Engineering and Science, Shanghai University, Shanghai, China
5. Department of Electrical, Computer Software Engineering, The University of Auckland, Auckland, New Zealand
6. Faculty of Computer and Information Sciences, Hosei University, Tokyo, Japan
7. Faculty of Human Sciences, Waseda University, Tokorozawa, Japan