Authors
Xiuyun Xia
School of General Education, Hunan University of Informati Technology, Changsha, China
Huatao Chen
School of Mathematics and Statistics, Shandong University of Technology, Zibo, China
Hao Tian
School of Computer Science Engineering, Hunan University of Information Technology, Changsha, China
Yadan Shi
School of General Education, Hunan University of Informati Technology, Changsha, China