Quadriga https://w3id.org/italia/lombardia/data/concept/32f12dff469e9d504cdcd6f35cdffd0a <https://w3id.org/arco/ontology/core/Concept> rdfs:label Quadriga <https://w3id.org/italia/onto/l0/name> Quadriga rdf:type <https://w3id.org/arco/ontology/core/Concept> data from the linked data cloud