https://w3id.org/framester/conceptnet5/data/en/sterility <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/da.gold.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.sterilitas> risorse dalla linked data cloud