1. State Key Laboratory of Internet of Things for Smart City and the Department of Computer and Information Science, University of Macau, Taipa, China
2. College of Information Engineering, Zhejiang University of Technology, Hangzhou, China
3. State Key Laboratory of Internet of Things for Smart City and the Department of Electrical and Computer Engineering, University of Macau, Taipa, China
4. Faculty of Computer Science, University of New Brunswick, Fredericton, NB, Canada