https://w3id.org/framester/conceptnet5/data/en/sojourner_truth <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/author> <https://w3id.org/framester/conceptnet5/data/en/person> <https://w3id.org/framester/conceptnet5/data/en/human_right_defender> <https://w3id.org/framester/conceptnet5/data/en/domestic_worker> <https://w3id.org/framester/conceptnet5/data/en/abolitionism> risorse dalla linked data cloud