1. Graduate Degree Program of Network and Information Systems; National Chiao Tung University and Academia Sinica; Hsinchu Taiwan
2. Department of Computer Science; National Chiao Tung University; Hsinchu Taiwan
3. Department of Computer Science & Information Engineering; National Kaohsiung University of Applied Sciences; Kaohsiung Taiwan
4. Department of Information Management; National Taiwan University of Science and Technology; Taipei Taiwan