https://w3id.org/framester/conceptnet5/data/en/ussr <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/country> <https://w3id.org/framester/conceptnet5/data/en/in_europe> <https://w3id.org/framester/conceptnet5/data/en/no_long_country> <https://w3id.org/framester/conceptnet5/schema/PartOf> <https://w3id.org/framester/conceptnet5/data/en/europe> risorse dalla linked data cloud