https://w3id.org/framester/conceptnet5/data/en/erst.r <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/once> <https://w3id.org/framester/conceptnet5/data/en/formerly> <https://w3id.org/framester/conceptnet5/data/en/before> <https://w3id.org/framester/conceptnet5/data/en/erstwhile> <https://w3id.org/framester/conceptnet5/data/en/sooner> risorse dalla linked data cloud