https://w3id.org/framester/conceptnet5/data/en/jacob_marschak <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.knownFor> <https://w3id.org/framester/conceptnet5/data/en/econometrics> <https://w3id.org/framester/conceptnet5/data/en/rational_choice_theory> <https://w3id.org/framester/conceptnet5/data/en/elasticity.n.economics> risorse dalla linked data cloud