1. School of Transportation Science and Engineering, Beijing Univ., Beijing, China; National Engineering Laboratory for Comprehensive Transportation Big Data Application Technology, Beijing, China; Beijing Advanced Innovation Center for Big Data and Brain Computing, Beijing, China
2. School of Transportation Science and Engineering, Beijing Univ., Beijing, China; Beijing Advanced Innovation Center for Big Data and Brain Computing, Beijing, China
3. School of Transportation Science and Engineering, Beijing Univ., Beijing, China; National Engineering Laboratory for Comprehensive Transportation Big Data Application Technology, Beijing, China; Beijing Advanced Innovation Center for Big Data and Brain Computing, Beijing, China.