1. School of Computer Science and Technology, China University of Mining and Technology, Xuzhou, China.
2. College of Information Science and Engineering, Zaozhuang University, Zaozhuang, China.
3. Xinjiang Technical Institutes of Physics and Chemistry, Chinese Academy of Science, Urumqi, China.
4. School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, China.
5. China National Coal Association, Beijing, China.
6. School of Foreign Languages, Zaozhuang University, Zaozhuang, China.
7. School of Information Engineering, JiangXi University of Science and Technology, Ganzhou, China.