Abstract
The lack of semantics in Web Services Description Language (WSDL) prevents automatic discovery and hence automatic invocation and composition. In our work, we are interested in extending existing approaches for the description of Semantic Web Services. Previously, we have extended the W3C recommendation on Semantics for Web Services (SAWSDL) and have proposed the use of two types of ontologies: a Technical Ontology type containing concepts defining semantics of services, their QoS,etc. and a Domain Ontology type containing the concepts defining the semantics of the business domain. The aim of this paper is to present Yet Another Semantic Annotation for WSDL (YASA4WSDL) and define a technical service ontology for YASA4WSDL. This ontology integrates useful concepts of WSDL meta-model, and OWL-S and WSMO ontologies. The integration of these ontologies is based on different matching techniques according to an ontology mapping process. The resulting ontology covers specific Web services semantic concepts.
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