1. School of Intelligent Systems Engineering Sun Yat‐sen University Shenzhen Guangdong 518107 China
2. Department of Management Sciences City University of Hong Kong Kowloon Hong Kong S.A.R. China
3. Shenzhen Research Institute of Big Data School of Science and Engineering The Chinese University of Hong Kong Shenzhen 518129 China
4. Department of Electrical and Computer Engineering, and Coordinated Science Laboratory University of Illinois at Urbana‐Champaign Urbana Illinois 61801 USA