https://w3id.org/framester/conceptnet5/cla/de.tuch <https://w3id.org/framester/conceptnet5/schema/EtymologicallyDerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/duck> <https://w3id.org/framester/conceptnet5/data/en/dook> risorse dalla linked data cloud