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The Exploration and Implementation of Geographic Information-Sharing Model Based on Service Portal

Author: HongZhiYuan
Tutor: LiChengMing
School: Chinese Academy of Surveying and Mapping
Course: Cartography and Geographic Information Engineering
Keywords: Service Portal Geographic Information Sharing Mode Geographic information services Service integration OGC RDF
CLC: P208
Type: Master's thesis
Year: 2011
Downloads: 53
Quote: 1
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Abstract


In recent years, with the in-depth study and application of network technology, the development of computer technology, and service-oriented architecture, geographic information systems, based on the network and provide geographic information services through the form of Web-Service has become the main form of geographic information sharing, at the same time along with \important issue. Portal concept, research-based the Service Portal geographic information sharing mode as geographic information services in a certain area resources by building geographic information service portal, unified integration and access to one-stop portal, and thus more effective in promoting sharing of geographic information. Based on this, the paper mainly studied the content of the following aspects: services and sharing of geographic information network is a hot topic in the current research in the field of GIS, the paper first systematic study and summarize the current geographic information services and geographic information shared theory, at the same time The papers also study the the portal theory and its related applications in the field of geographic information. Then, the paper above theoretical research foundation to explore and summarize the concept and its characteristics based on the Service Portal geographic information sharing mode, which distributed geographic information services by building geographic information service portal, integrated with a shared point of view, the same time, the overall structure of the geographic information services portal study. Then, the paper studies several key technologies to build geographic information services portal; system of the service portal mode; designed to adapt to the characteristics of geographic information services portal system metadata description; to explore service portal build process geographic information service and unified description - found - integrated model and its resolution and integration of key technologies. Finally, based on the above study, the paper of the service portal overall architecture design, detailed design of the foundation of the overall design of the main part of the service portal, in accordance with the overall design and detailed design, the paper finally programming The prototype of the portal system, specific validation and to achieve this based on the Service Portal geographic information sharing mode.

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Mapping database and information system
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