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Interactions among several Web services depicted by OWL-S need to be considered whether satisfying security when orchestration. So, a secure session based approach is presented to verify the consistency with those in specifications, such as WS-Trust and WS-SecureConversation. First of all, processes in orchestration requirements and web services are modeled by labeled Kripke transition systems to describe state transition in implicit representation of ontology. Then, for secure session, the satisfaction of the orchestration is verified by deterministic propositional logic.
Date of Conference: 24-25 April 2010