https://w3id.org/framester/conceptnet5/data/en/potomac_river <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/body_of_water> <https://w3id.org/framester/conceptnet5/data/en/natural_place> <https://w3id.org/framester/conceptnet5/data/en/place> <https://w3id.org/framester/conceptnet5/data/en/river> <https://w3id.org/framester/conceptnet5/data/en/stream> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/body_of_water> <https://w3id.org/framester/conceptnet5/data/en/river> <https://w3id.org/framester/conceptnet5/data/en/underspecified_location> <https://w3id.org/framester/conceptnet5/data/en/watercourse> risorse dalla linked data cloud