Authors
Haoqi Yang
School of computer science and engineering Xi’an Technological University Xi’an, Xi’an, China
Hongge Yao
School of computer science and engineering Xi’an Technological University Xi’an, Xi’an, China
© 2019 Haoqi Yang, Hongge Yao, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution 4.0 License.