https://w3id.org/framester/conceptnet5/data/en/pessimist.n <https://w3id.org/framester/conceptnet5/schema/Antonym> <https://w3id.org/framester/conceptnet5/data/en/optimist> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/pessimistic> <https://w3id.org/framester/conceptnet5/data/en/pessimism> risorse dalla linked data cloud