https://w3id.org/framester/conceptnet5/data/en/pensive.a <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/sadness> <https://w3id.org/framester/conceptnet5/data/en/think> <https://w3id.org/framester/conceptnet5/data/en/thoughtful> <https://w3id.org/framester/conceptnet5/data/en/melancholic> risorse dalla linked data cloud