https://w3id.org/framester/conceptnet5/data/en/german_democratic_republic <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/democratic.a> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/east_germany> risorse dalla linked data cloud