1. Key Laboratory of Big Data Knowledge Engineering, Ministry of Education, Hefei, China
2. School of Computer and Information Engineering, Hefei University of Technology, Hefei, People’s Republic of China
3. National Engineering Laboratory of Vacuum Metallurgy, Kunming, People’s Republic of China
4. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, China
5. Pùer University, Puer, People’s Republic of China