https://w3id.org/framester/conceptnet5/data/en/polypropylene <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/poly> <https://w3id.org/framester/conceptnet5/data/en/ene> <https://w3id.org/framester/conceptnet5/data/en/propylene.n> <https://w3id.org/framester/conceptnet5/schema/InstanceOf> <https://w3id.org/framester/conceptnet5/data/en/chemical_compound> <https://w3id.org/framester/conceptnet5/data/en/chemical_substance> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/solid> <https://w3id.org/framester/conceptnet5/data/en/plastic> risorse dalla linked data cloud