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Web Service Architectures for GIS

  • By: Chuanrong Zhang
  • In: Encyclopedia of Geography
  • Edited by: Barney Warf
  • Subject:General Geography, Earth & Environmental Science

There have been many successful developments of geographic information systems (GIS) serving different purposes and different organizations and using different GIS software packages. However, geospatial information sharing and acquisition remains a challenge due to the heterogeneity of existing systems in terms of proprietary system designs, data models, and database storage structures. The emergence and use of Web services and Web-service-oriented architecture (SOA) technologies offer the potential to overcome barriers to interoperability among heterogeneous GIS.

Service-Oriented Architecture

The SOA was developed by IBM, Microsoft, and other leading IT industry organizations to support the development of applications that integrate existing computing technologies into solution-based systems. A pure architectural definition of SOA presents it as a design within which all functions are defined as independent services with well-defined and invokable ...

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