Service research challenges and solutions for the future internet
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Semantic Web Service, nowadays, is emerging as a solution for interoperating distributed applications on the WWW. Web service composition is the task of combining existing web services to yield a new service in order to achieve a desired goal. In this paper, we propose a formal approach to translate OWL-S web service descriptions into primitive and complex actions of ConGolog, a high level logic programming language with sensing actions for web service composition. In addition, in order to support information gathering with search in an open world initial database, we propose an extended version of the middle-ground ConGolog interpreter which relies on a theorem-prover with prime implicates.