1. School of Economics and Management, Hebei University of Technology, Tianjin, China
2. North China University of Technology, Beijing, China
3. Guangdong Eco-Engineering Polytechnic, Guangzhou, China
4. School of Artificial Intelligence, Hebei University of Technology, Tianjin, China
5. Key Laboratory of Knowledge Engineering with Big Data (the Ministry of Education of China), Hefei University of Technology, Hefei, China