Path planning for chaining geospatial web services

Authors:
Peng Yue;Liping Di;Wenli Yang;Genong Yu;Peisheng Zhao
Affiliations:
Center for Spatial Information Science and Systems (CSISS), George Mason University, Greenbelt, MD;Center for Spatial Information Science and Systems (CSISS), George Mason University, Greenbelt, MD;Center for Spatial Information Science and Systems (CSISS), George Mason University, Greenbelt, MD;Center for Spatial Information Science and Systems (CSISS), George Mason University, Greenbelt, MD;Center for Spatial Information Science and Systems (CSISS), George Mason University, Greenbelt, MD
Venue:
W2GIS'06 Proceedings of the 6th international conference on Web and Wireless Geographical Information Systems
Year:
2006

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Abstract

Semantic Web technologies provide a promising prospect for automatic discovery and chaining of geospatial Web services. This paper addresses semantic geospatial Web services, particularly the path planning for service chaining. We use OWL-S to represent the geospatial semantic Web service. A graph with nodes representing services and connection weights representing degrees of semantic matching between nodes is formulated using information from multiple geospatial semantic Web services. The graph is used to build logical path models, which can be instantiated to a physical service chain for execution. A prototype system, which includes a real world geospatial model, is implemented to demonstrate the concept and approach.