OntoSTEP: OWL-DL ontology for STEP


The Standard for the Exchange of Product model data (STEP) [1] contains product information mainly related to geometry. The modeling language used to develop this standard, EXPRESS, does not have logical formalism that will enable rigorous semantics. In this paper we present an OWL-DL (Web Ontology Language Description Logic) [2] version of STEP (OntoSTEP… (More)


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