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Persistent URIs
A Uniform Resource Identifier (URI) is a compact sequence of characters that identifies an abstract or physical resource. [https://joinup.ec.europa.eu/sites/default/files/document/2013-02/D7.1.3 - Study on persistent URIs.pdf]
RDF and OWL 2 representation
SHACL representation
Pictures/Diagrams
UML representation
JSON-LD representation (JSON and schema)
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