1. Beijing Key Laboratory of Traffic Engineering, Beijing Univ. of Technology, Beijing 100124, China.
2. Tutor, Beijing Key Laboratory of Traffic Engineering, Beijing Univ. of Technology, Beijing 100124, China.
3. Professor, Beijing Key Laboratory of Traffic Engineering, Beijing Univ. of Technology, Beijing 100124 China (corresponding author).
4. Professor, Beijing Transport Institute, Beijing 100073, China.
5. Professor, Key Laboratory of Traffic Data Analysis and Mining, Beijing Jiaotong Univ., Beijing 100044, China.