Authors
Guoshao Chen
School of Computer Science and Engineering Xi’an Technological University Xi’an, Xi’an, China
Fei Xu
School of Computer Science and Engineering Xi’an Technological University Xi’an, Xi’an, China
© 2019 Guoshao Chen, Fei Xu, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution 4.0 License.