https://w3id.org/framester/conceptnet5/data/en/erhard_weigel <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/person> <https://w3id.org/framester/conceptnet5/data/en/scientist> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/scientist> <https://w3id.org/framester/conceptnet5/schema/dbpedia.field> <https://w3id.org/framester/conceptnet5/data/en/philosopher> <https://w3id.org/framester/conceptnet5/data/en/mathematician> <https://w3id.org/framester/conceptnet5/data/en/astronomer> risorse dalla linked data cloud