https://w3id.org/framester/conceptnet5/data/en/mastrope <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/mast> <https://w3id.org/framester/conceptnet5/data/en/rope> risorse dalla linked data cloud