1. School of Artificial Intelligence, Hebei University of Technology, Tianjin, China
2. School of Economics and Management, Hebei University of Technology, Tianjin, China
3. Shenzhen University, Shenzhen, China
4. Department of Computer & Electrical Engineering and Computer Science, Florida Atlantic University, FL, USA
5. Research Center for Knowledge Engineering, Zhejiang Lab, Hangzhou, China