https://w3id.org/framester/conceptnet5/data/en/aerobatics <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/acrobatics> <https://w3id.org/framester/conceptnet5/data/en/aeronautic> risorse dalla linked data cloud