https://w3id.org/framester/conceptnet5/data/en/fortuity <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/contingency> <https://w3id.org/framester/conceptnet5/data/en/chance> <https://w3id.org/framester/conceptnet5/data/en/casualness> <https://w3id.org/framester/conceptnet5/data/en/accidentalness> risorse dalla linked data cloud