1. College of Computer Science and Technology, Harbin Engineering University & Modeling and Emulation in E-Government National Engineering Laboratory, Harbin, Heilongjiang, China
2. R&D and External Relations Department, Xiangjiang Laboratory & School of Artificial Intelligence and Advanced Computing, Hunan University of Technology and Business, Changsha, Hunan, China
3. School of Information, Renmin University of China, Beijing, China
4. College of Computer Science and Technology, Harbin Engineering University, Harbin, Heilongjiang, China