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Erschienen in:
2008 | OriginalPaper | Buchkapitel
Semantic Web Service Execution
verfasst von : Luis M. Botelho, António L. Lopes, Thorsten Möller, Heiko Schuldt
Erschienen in: CASCOM: Intelligent Service Coordination in the Semantic Web
Verlag: Birkhäuser Basel
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Service execution comprises all the activities that need to be carried out at runtime to invoke one or several (Web) services in a coordinated manner. These activities include initiation, control and validation of service invocations. Since each service is supposed to create side effects as manifested by the functionality that it implements, both the service user and service provider are interested that certain properties for execution are guaranteed. The two most prominent properties are guaranteed termination and reliability, that is, sustaining a consistent state before and after execution even in the presence of failures. Those aspects become of particular interest when it comes to (i) execution in distributed environments where more than one software entity might be involved, and (ii) execution of composite services, i.e., processes.