convegni https://w3id.org/italia/lombardia/data/use-function/007cdbdfe452573c573f43874c628232 <https://w3id.org/arco/ontology/context-description/UseFunction> rdfs:label convegni <https://w3id.org/italia/onto/l0/name> convegni rdf:type <https://w3id.org/arco/ontology/context-description/UseFunction> data from the linked data cloud