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This paper presents a global planning based framework to construct a complex but optimal geo-processing workflow for integrating geospatial Web services, i.e. Web processing services in a distributed and collaborative environment. The geo-processing workflow is implemented using a Petri net model, in which the binding of services is modeled as a directed acyclic graph question. To screen the best...
With the development of OGC Web service program (OWS), Web GIS has progressed towards a service-oriented paradigm that enables a new way to distributed geospatial computing. Many applications require geo-processing workflow (GPW) to take advantage of spatial databases or computing resources distributed over Web based their control or task. This paper presents a dual-layer framework to implement geo-processing...
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