1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China
2. Faculty of Transportation Engineering, Huaiyin Institute of Technology, Huaian, China
3. Key Laboratory for Traffic and Transportation Security of Jiangsu Province, Huaian, China
4. College of Computer Science, South-Central University for Nationalities, Wuhan, China
5. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China
6. School of Transportation, Southeast University, Nanjing, China
7. Department of Computer Science, University of Victoria, BC, Canada