1. School of Cyberspace Science and Technology Beijing Institute of Technology Beijing China
2. Department of Computer Science, College of Computing and Informatics University of Sharjah Sharjah UAE
3. School of Electronic Engineering and Computer Science Queen Mary University of London London UK
4. School of Computer Science Beijing Institute of Technology Beijing China
5. School of Mechanical Manufacturing and Automation Engineer of China Railway Tunnel Bureau Group Co., Ltd Zhengzhou Henan China