1. School of Artifical Intelligence, Hebei University of Technology, Tianjin, China
2. School of Economics and Management, Hebei University of Technology, Tianjin, China
3. State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin, China
4. Department of Computer & Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, USA
5. Shenzhen University, Shenzhen, Guangdong Province, China
6. Key Laboratory of Knowledge Engineering with Big Data (the Ministry of Education), Hefei University of Technology, Hefei, China