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Integrating of GIS descriptions into web services

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A. Gravey, Y. Kermarrec, X. Lagrange (Eds.): 1 EUNICE 2008 © IFIP 2008 Abstract— Recent advances in the development of Web models, standards and services generate new challenges in the diffusion, usage, and processing of geo-referenced data. This paper introduces an approach for service description applied to Web- based Geographic Information Systems (Web-GIS). Based on existing standards and recommendations of the OGC and W3C, we propose an extension towards a description of Web-GIS services. Combining recent benefits of OWL-S (Ontology Web Language for Service), we introduce a language that describes Web Services properties and capabilities in order to integrate, manipulate and analyze spatio-temporal data. This enrichment of Web-based GIS services is particularly adapted to characterize dataset histories, and allows for a better understanding of the data and services provided from a user point of view. Index Terms— Web Service, GIS, OWL-S, Spatial Metadata. I. INTRODUCTION As Internet-based technologies continuously evolve, web services appear as a relevant principle for the delivery of applications on the Web. The definition of web services provided by The World Wide Web Consortium (W3C) [1] considers a Web service as a software system designed to support interoperable machine-to-machine interaction over a network. Web Services are based on a set of Extensible Markup Language (XML) standards such as Universal Description Discovery and Integration (UDDI) [2], Web Services Description Language (WSDL) [3], and Simple Object Access Protocol (SOAP). The W3C consortium introduced several languages and standards for the handling of web services. Amongst these languages, OWL-S is a language for describing properties and capabilities of Web Services [4]. The OWL-S Architecture is based on the notion of service profile that provides basis documentation for the description of a given w

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