SOA is providing conceptual design pattern for service-oriented distributed systems, and Web service is one of standards-based implementation of SOA technologies, deployed on the Web as an object or component. Survey the whole paper, get two points. First of all, it compares the spatial data oriented sharing with the spatial information service oriented sharing on technology and feature, and analysis of the service-oriented spatial information sharing mechanism and the implementation of ideas; Secondly, it frames a service-based geospatial information sharing platform, expounding the key technology and organizing way of spatial information based on Web Service. Offer solutions for GIS data integration and spatial information sharing that platform-crossed and sector-crossed.
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