| Abstract
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Current industry standards for describing … Current industry standards for describing Web Services are focused onensuring interoperability across diverse platforms, but do not provide agood foundation for automating the use of Web Services. Representationaltechniques being developed for the Semantic Web can be used to augmentthese standards. The resulting Web Service specifications enable thedevelopment of automated agents that can interpret descriptions ofunfamiliar Web Services and then employ those services to satisfy usergoals. OWL-S (OWL for Services) is a set of notations forexpressing such specifications, based on the Semantic Web ontologylanguage OWL. It consists of three interrelated parts: a profileontology, used to describe what the service does; a process ontology andcorresponding presentation syntax, used to describe how the service isused; and a grounding ontology, used to describe how to interact with theservice. OWL-S can be used to automate a variety of service-relatedactivities involving service discovery, interoperation, and composition.A large body of research has been based on OWL-S, and it has madepossible the creation of a substantial set of open-source tools fordeveloping, reasoning about, and dynamically utilizing Web Services. t, and dynamically utilizing Web Services.
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