https://w3id.org/framester/conceptnet5/data/en/zero_gravity <https://w3id.org/framester/conceptnet5/schema/AtLocation> <https://w3id.org/framester/conceptnet5/data/en/space_shuttle> <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/zero.n> risorse dalla linked data cloud