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Click the Add reference to external data model button if you want to add a link to an external data model (namespace).
Select the data model from the drop-down menu. If the data model you want is not included in the list, contact support for the Interoperability platform. The support team can add an external data model to the list if it is established and resolvable; the latter meaning that the data model or ontology is redirectable in the Internet.
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