https://w3id.org/framester/conceptnet5/data/en/roman_kingdom <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/country> <https://w3id.org/framester/conceptnet5/data/en/place> <https://w3id.org/framester/conceptnet5/data/en/populate_place> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/country> <https://w3id.org/framester/conceptnet5/data/en/populate_area> <https://w3id.org/framester/conceptnet5/data/en/underspecified_location> risorse dalla linked data cloud