Institution: | 1. School of Economics and Management, Beijing University of Technology, Beijing 100124, PR China;2. Research Center on Big Data Sciences, Beijing University of Chemical Technology, Beijing 100029, PR China;3. School of Knowledge Science, Japan Advanced Institute of Science and Technology, 1-1 Ashahidai, Nomi City, Ishikawa 923-1292, Japan;4. State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing 100190, PR China |