eagle-i software is predicated upon the principle of ontology layering. Applications are driven by an application ontology that complements and annotates a domain ontology. The domain ontology used in the current eagle-i deployment is the ERO (eagle-i resource ontology). The layering principle is applicable to other domain ontologies.
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The runtime memory model that represents the ontology to the applications is built by successively loading the domain ontology and the application ontologies into one aggregate model.
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