Inter-organizational workflows for enterprise coordination
Coordination of Internet agents
Simulation, verification and automated composition of web services
Proceedings of the 11th international conference on World Wide Web
IEEE Intelligent Systems
Composing Web services on the Semantic Web
The VLDB Journal — The International Journal on Very Large Data Bases
Conceptual model for semantic representation of industrial manufacturing processes
Computers in Industry
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This paper deals with Workflow Web Services (W2S). By W2S, we mean services automating business processes, and whose description and execution are accessible through the Web. In a first step, we use the Petri Net with Objects (PNO) formalism to graphically and formally model W2S, and then, in a second step, we provide rules to derive OWL-S specifications from PNO specifications automatically. The two main advantages of our approach are, first, to ease the design, the simulation and the verification of a workflow service thanks to PNO, and second, to publish it thanks to OWL-S, which is a semantic Web service description language. Consequently, PNO can be seen as a formalism providing an operational semantic to OWL-S since it defines formal and executable specifications to analyze, simulate, check and validate OWL-S specifications.