1. Graduate School of Information and Computer Science’ Chiba Institute of Technology,Chiba,Japan
2. Toho University,Faculty of Science,Department of Information Science,Chiba,Japan
3. Chubu University,Department of Artificial Intelligence and Robotics,Aichi,Japan
4. Kouchi University,Faculty of Education, Teacher Training Division,Kochi,Japan
5. Osaka Seikei University,Faculty of Data Science,Osaka,Japan
6. Yamato University,Faculty of Informatics,Osaka,Japan