https://w3id.org/framester/conceptnet5/data/en/alternate_current <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/alternate> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/electricity> <https://w3id.org/framester/conceptnet5/data/en/electric_current.n> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/generator> <https://w3id.org/framester/conceptnet5/data/en/direct_current> <https://w3id.org/framester/conceptnet5/data/en/transformer> <https://w3id.org/framester/conceptnet5/cla/de.wechselstrom> <https://w3id.org/framester/conceptnet5/data/en/inverter> risorse dalla linked data cloud