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Service migration is important for the execution of distributed spatial tasks because the spatial data published in autonomous Grid node is often not permitted to be freely transferred in Spatial Information Grid. In this paper, we design and implement a scalable service migration framework. In our framework, all spatial services are composed of fine-grained meta-functional components and managed...
This paper discussed the key technologies for building a Geospatial Information Grid service workflow and describes the design and implementation of a Grid GIS service integration and hybrid invocation prototype framework: the MapGIS Grid Workflow Framework (MGWF). First, we discussed the WSRF based GIS function encapsulation details for legacy GIS system. Then we researched on the Grid GIS services...
In order to improve spatial operations efficiency of massive data in distributed environment and to solve the interactive design problems of spatial analysis processing module designed to service agreement with the underlying database, spatial data models, map display and so on. For the status quo that there is no GIS software for a practical analysis of distributed computing, we have carried out...
Multi-source heterogeneous spatial data has been the obstacle of the spatial information sharing. So, in the network environment, how to integrate multi-sources heterogeneous spatial data has become a hot and difficult problem of GIS. This article aimed to solve the problem by grid computing technology, and put forward a model of multi-sources heterogeneous spatial data integration based on it. Use...
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