Published on in Vol 20, No 7 (2018): July
1 School of Economics and Management, University of Chinese Academy of Sciences, Beijing, China
2 Key Laboratory of Big Data Mining and Knowledge Management, Chinese Academy of Sciences, Beijing, China
3 Research Center on Fictitious Economy and Data Science, Chinese Academy of Sciences, Beijing, China
4 College of Information Science and Technology, University of Nebraska at Omaha, Omaha, NE, United States
5 School of Computer and Control Engineering, University of Chinese Academy of Sciences, Beijing, China
6 Development and Planning Research Institute, Ningbo, China
7 School of Information Technology and Management, University of International Business and Economics, Beijing, China