https://w3id.org/framester/conceptnet5/data/en/federal_government_agency <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/government_agency> <https://w3id.org/framester/conceptnet5/data/en/us_federal_government_organization> risorse dalla linked data cloud