https://w3id.org/framester/conceptnet5/data/en/supernova_remnant <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/remnant.n> <https://w3id.org/framester/conceptnet5/data/en/nova.n> <https://w3id.org/framester/conceptnet5/data/en/supernova.n> risorse dalla linked data cloud