https://w3id.org/framester/conceptnet5/data/en/nunatak <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/cla/kl.nunataq> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/monadnock> risorse dalla linked data cloud