1. University of Tsukuba,Master’s Program in Service Engineering,Tsukuba,Japan
2. University of Tsukuba,Doctoral Programs in Policy and Planning Sciences,Tsukuba,Japan
3. Yamato Transport Co., Ltd.,Minato,Japan
4. University of Tsukuba,Yamato Transport Co.,Ltd.,Tsukuba,Japan
5. University of Tsukuba,Institute of Systems and Information Engineering, Center for Artificial Intelligence Research,Tsukuba,Japan
6. University of Tsukuba,Institute of Systems and Information Engineering,Tsukuba,Japan