https://w3id.org/framester/conceptnet5/data/en/pessimism <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.pessimus.a> <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/cla/de.pessimismus> risorse dalla linked data cloud