1. School of Civil Engineering, North Minzu University, 204 Wenchang Road, 750021 Yinchuan, NingXia, P.R. China
2. Institute of Management, Guangdong Ocean University, 74780 Zhanjiang, Guangdong, China
3. Institute of Electronics and Information Engineering, Guangdong Ocean University, 74780 Zhanjiang, Guangdong, China
4. Department of Land Administration and Geoinformation Systems, O.M. Beketov National University of Urban Economy, 17 Marshal Bazhanov Str., 61002 Kharkiv, Ukraine
5. Department of Entrepreneurship and Business Administration, O.M. Beketov National University of Urban Economy, 17 Marshal Bazhanov Str., 61002 Kharkiv, Ukraine