1. College of Software, Henan Normal University, Xinxiang, China
2. College of Computer and Information, Henan Normal University, Xinxiang, China
3. Institute for Sustainable Industries and Liveable Cities, Victoria University, Melbourne, VIC, Australia
4. School of Computer Science and Engineering, South China University of Technology, Guangzhou, China
5. Department of Electronics and Communication Engineering, Hanyang University, Ansan, South Korea
6. Zhejiang Normal University, Jinhua, China