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Distributed GIS is an integrated framework to combine multiple graphic information systems (GIS) resources and GIS workstations and servers located in different physical places for high-level interoperability and federation of GIS operations and user tasks. Distributed GIS can provide various geographic information, spatial analytical functions, and GIS Web services by linking multiple GIS and geographic information services together via wired or wireless networks.

The designation distributed reflects that the hardware and software components of distributed GIS are physically distributed in different computers, which are connected via the Internet or other types of networks. Interoperability is the key issue for the establishment of distributed GIS, because distributed hardware machines, programming languages, operating systems, and other online resources may vary drastically.

Distributed GIS is a paradigm shift in ...

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