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Open AccessArticle

The RichWPS Environment for Orchestration

Faculty of Engineering and Computer Science, University of Applied Sciences Osnabrück, Albrechtstraße 30, 49076 Osnabrück, Germany
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2014, 3(4), 1334-1351;
Received: 5 September 2014 / Revised: 20 October 2014 / Accepted: 24 November 2014 / Published: 5 December 2014
(This article belongs to the Special Issue 20 Years of OGC: Open Geo-Data, Software, and Standards)
Web service (WS) orchestration can be considered as a fundamental concept in service-oriented architectures (SOA), as well as in spatial data infrastructures (SDI). In recent years in SOA, advanced solutions were developed, such as realizing orchestrated web services on the basis of already existing more fine-granular web services by using standardized notations and existing orchestration engines. Even if the concepts can be mapped to the field of SDI, on a conceptual level the implementations target different goals. As a specialized form of a common web service, an Open Geospatial Consortium (OGC) web service (OWS) is optimized for a specific purpose. On the technological level, web services depend on standards like the Web Service Description Language (WSDL) or the Simple Object Access Protocol (SOAP). However OWS are different. Consequently, a new concept for OWS orchestration is needed that works on the interface provided by OWS. Such a concept is presented in this work. The major component is an orchestration engine integrated in a Web Processing Service (WPS) server that uses a domain specific language (DSL) for workflow description. The developed concept is the base for the realization of new functionality, such as workflow testing, and workflow optimization. View Full-Text
Keywords: geographic information system (GIS); spatial data infrastructure (SDI); web processing service (WPS); domain-specific language (DSL); orchestration geographic information system (GIS); spatial data infrastructure (SDI); web processing service (WPS); domain-specific language (DSL); orchestration
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Bensmann, F.; Alcacer-Labrador, D.; Ziegenhagen, D.; Roosmann, R. The RichWPS Environment for Orchestration. ISPRS Int. J. Geo-Inf. 2014, 3, 1334-1351.

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