https://w3id.org/framester/conceptnet5/data/en/whenever <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/when> <https://w3id.org/framester/conceptnet5/data/en/ever.r> <https://w3id.org/framester/conceptnet5/cla/de.wann> risorse dalla linked data cloud