https://w3id.org/framester/conceptnet5/data/en/amphibious_warfare_ship <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/amphibious_vehicle> <https://w3id.org/framester/conceptnet5/data/en/modern_naval_ship> risorse dalla linked data cloud