https://w3id.org/framester/conceptnet5/data/en/alertness <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ness> <https://w3id.org/framester/conceptnet5/data/en/alert> risorse dalla linked data cloud