OWL-S is an ontology built on top of Web Ontology Language (OWL) by the DARPA DAML program.
It replaces the former DAML-S ontology. "OWL-S is an ontology, within the OWL-based framework of the Semantic Web, for describing Semantic Web Services. It will enable users and software agents to automatically discover, invoke, compose, and monitor Web resources offering services, under specified constraints."
The OWL-S Ontology.
Development of OWL-S aims to enable the following tasks:
The OWL-S ontology has three main parts: the "service profile", the "process model" and the "grounding".
OWL-S and WSDL.
OWL-S requires an additional description for a full specification of the grounding, the most commonly used being WSDL. Although both languages target at different levels of specification, there is an intersection between them:
References.
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