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. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing Normal University Nanjing China
3. College of Resources and Environment University of Chinese Academy of Sciences Beijing China
4. School of Geographical Sciences Nanjing University of Information Science & Technology Nanjing China
5. School of Information and Communication Technology Hanoi University of Science and Technology Hanoi Vietnam
6. School of Life Science University of Technology Sydney Ultimo NSW Australia
7. College of Forestry Oregon State University Corvallis OR USA