Affiliation: | 1. Department of Information Management, Chaoyang University of Technology, 168 Jifong E. Rd., Wufong Township, Taichung County 41349, Taiwan, ROC;2. Graduate Institute of Informatics, Doctoral Program, Chaoyang University of Technology, 168 Jifong E. Rd., Wufong Township, Taichung County 41349, Taiwan, ROC |