An IRI identifies "things" in OMFtbox or OMFabox graphs.
An IRI identifies "things" in OMFtbox or OMFabox graphs. In an OMFtbox graph, an IRI identifies ModelTerminologyGraph, ModelEntityDefinitions and ModelDataTypeDefinitions. In an OMFabox graph, an IRI identifies ModelInstanceGraphs and ModelNamedIndividuals
The types involved in the identification of "things" in OMF