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Query languages for semantic web services

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2010

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Gesellschaft für Informatik e.V.

Zusammenfassung

Even though service discovery is one of the vital steps in Web service invocation, service requests are usually expressed by rather simple means. While syntax-based service descriptions are usually addressed using keyword-based queries, Semantic Web Services are queried using "perfect" service descriptions. Hence, a service requester is not able to control the outcome of the discovery process in-depth by specifying similarity ranges or to explicitly state which syntaxand semantic-based parts of a service description should be addressed. In this paper, we present an analysis of current approaches to service request formulation and identify requirements a query formalism for Semantic Web Services should fulfill. Furthermore, we give a brief preview on SWS2QL, a SPARQL-based query language for Semantic Web Services.

Beschreibung

Schulte, Stefan; Siebenhaar, Melanie; Eckert, Julian; Steinmetz, Ralf (2010): Query languages for semantic web services. INFORMATIK 2010. Service Science – Neue Perspektiven für die Informatik. Band 2. Bonn: Gesellschaft für Informatik e.V.. PISSN: 1617-5468. ISBN: 978-3-88579-270-3. pp. 109-114. Regular Research Papers. Leipzig. 27.09.-01.10.2010

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