https://w3id.org/framester/conceptnet5/data/en/business_machine <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/non_agentive_artifact> <https://w3id.org/framester/conceptnet5/data/en/consumer_durable> <https://w3id.org/framester/conceptnet5/data/en/power_device> risorse dalla linked data cloud