1. R&D Center of Basic Platform, State Grid EV Service, Beijing, China
2. School of Information Management, and the Institute of Big Data and Digital Economy, Hubei University of Economics, Wuhan, China
3. Automobile Charging Service Department, State Grid Electric Vehicle Service Hunan Company Ltd., Changsha, China
4. College of Computer Science and Electronic Engineering, Hunan University, Changsha, China
5. School of Mathematics and Physics, China University of Geosciences, Wuhan, Hubei, China
6. School of Computer Science and Engineering, Nanyang Technological University, Jurong West, Singapore