1. School of Computer Science, Baoji University of Arts and Sciences, Baoji, China
2. Faculty of Computing, IBM CoE, and Earth Resources and Sustainability Center, Universiti Malaysia Pahang, Pahang, Malaysia
3. School of Electronics Engineering and Computer Science, Peking University, Beijing, China
4. Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
5. Faculty of Computer and Mathematical Sciences, University Technology MARA, Shah Alam, Malaysia