https://w3id.org/framester/conceptnet5/data/en/gravestone <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/stone.r> <https://w3id.org/framester/conceptnet5/data/en/grave.n> <https://w3id.org/framester/conceptnet5/data/en/stone.n> <https://w3id.org/framester/conceptnet5/schema/HasProperty> <https://w3id.org/framester/conceptnet5/data/en/grey> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/tombstone> risorse dalla linked data cloud