Authors
Lei Chao
School of computer science and engineering, Xi’an Technological University, Xi’an, China
Wang Changyuan
School of computer science and engineering, Xi’an Technological University, Xi’an, China
Li Guang
School of computer science and engineering, Xi’an Technological University, Xi’an, China
Shi Lu
School of computer science and engineering, Xi’an Technological University, Xi’an, China