https://w3id.org/framester/conceptnet5/data/en/piezo <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/piezo> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/mechanical> <https://w3id.org/framester/conceptnet5/data/en/stress> <https://w3id.org/framester/conceptnet5/data/en/piezoelectricity> risorse dalla linked data cloud