1. School of Information Computer and Communication Technology, SIIT, Thammasat University, Pathum Thani, Thailand and School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa Japan
2. School of Information Computer and Communication Technology, SIIT, Thammasat University, Pathum Thani, Thailand
3. NECTEC, National Science and Technology Development Agency, Pathum Thani, Thailand
4. School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan