https://w3id.org/framester/conceptnet5/data/en/drain_snake <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/manual_tool> <https://w3id.org/framester/conceptnet5/data/en/plumb_tool> <https://w3id.org/framester/conceptnet5/data/en/industrial_equipment> risorse dalla linked data cloud