关键词: 数字地球, 空间信息, Web发布, 目录, WebGIS, 国家空间信息基础设施

Abstract: A system review and research on the web publishing of spatial information are made, according to the status and character of Internet and spatial information. Problems of publishing architecture and respective technical are given out and solved, the spatial information web publishing prototype-WebGIS is implemented according to it. The future of web publishing of spatial information is also discussed. The first section gives the background of web publishing of spatial information. The second section is dedicated to the architecture of it and this section is followed by the techniques used in constructing the web publishing system of spatial information with a prototype of it, WebGIS is implemented to display how to build a web publishing system of spatial information. In section 4 some future trends about web publishing of spatial information are discussed in detail.

Key words: digital earth, spatial information, Web publishing, catalog, WebGIS, NSDI