1. School of Mathematical Sciences, Nanjing Normal University, Nanjing, Jiangsu, People's Republic of China
2. Jiangsu Province Engineering Research Center of Spatial Big Data, School of Mathematical Sciences, Nanjing Normal University, Nanjing, People's Republic of China
3. School of Management & Engineering, Nanjing University, Nanjing, Jiangsu, People's Republic of China
4. Institute of Carbon Neutrality Development, Jiangsu University, Zhenjiang, Jiangsu, People's Republic of China
5. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, Singapore