1. School of Information Science and Engineering, Yanshan University,China
2. School of Computer Science and Engineering, Nanyang Technological University,Singapore
3. Guizhou University,State Key Laboratory of Public Big Data,China
4. College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics,China
5. National Natural Science Foundation of China,China
6. Singapore University of Technology and Design,Pillar of Information Systems Technology and Design,Singapore