1. State Key Laboratory of Public Big Data, Guizhou University, Guiyang 550025, China
2. College of Social Sciences and Humanities, Northeastern University, Boston, MA 02115, USA
3. School of Management, Guizhou University, Guiyang 550025, China
4. School of Modern Post (School of Automation), Beijing University of Posts and Telecommunications, Beijing 100876, China
5. School of Public Administration, China University of Geosciences, Wuhan 430074, China