https://w3id.org/framester/conceptnet5/data/en/ozone_layer <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/ozone.n> <https://w3id.org/framester/conceptnet5/data/en/layer.n> <https://w3id.org/framester/conceptnet5/schema/HasA> <https://w3id.org/framester/conceptnet5/data/en/be_damage_by_cfc> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/natural_phenomenon> <https://w3id.org/framester/conceptnet5/data/en/atmospheric_layer> risorse dalla linked data cloud