1. State Key Laboratory of Resources and Environmental Information System Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China
2. Computer School South China Normal University Guangzhou China
3. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing China
4. University of Chinese Academy of Sciences Beijing China
5. The Academy of Digital China Fuzhou University Fuzhou China
6. School of Earth Sciences Yunnan University Kunming China
7. School of Civil Architectural Engineering Shandong University of Technology Zibo China