The data and services analysis of Chinese NSDI based on Backx model
Wei Wang (Tianjin Institute of Surveying and Mapping)
Mei Xue (Chongqing Surveying Institute)
Chengfeng Luo (Chinese Academy of Surveying and Mapping)
Xiaomeng Wang (Beijing Urban Planning and Land Resource Committee)
B. van Loenen (TU Delft - OLD Geo-information and Land Development)
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Abstract
The data and services analysis are indispensable for the refined development of SDI. This paper, taking Chinese NSDI as a study case, analyzed the data and services advantages and shortcomings of Chinese NSDI and developed a recommendable data and services framework which could improve the Chinese NSDI better services for public and private sectors from known, attainable and usable aspects by using Backx model. And the recommendation framework can also be referenced by other national and local SDI for its better services and applications.
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