https://w3id.org/framester/conceptnet5/data/en/frankfurter <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/frankfurt.n> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/hot_dog> risorse dalla linked data cloud