A method to describe process and knowledge based on RDF which is an ontology description language andIDEF0 which is a formal process description format is proposed. Once knowledge of experienced engineersis embedded into the system the knowledge will be lost in the future. A production process is described in aproposed format similar to BOM and the process can be retrieved as a flow diagram to make the engineersto understand the product and process. Proposed method is applied to a simple production process ofcommon sub-assembly of ships for evaluation.
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