operai https://w3id.org/italia/lombardia/data/concept/f442edc9de04101f9bd18664e3b36520 <https://w3id.org/arco/ontology/core/Concept> rdfs:label operai <https://w3id.org/italia/onto/l0/name> operai rdf:type <https://w3id.org/arco/ontology/core/Concept> data from the linked data cloud