https://w3id.org/framester/conceptnet5/data/en/pelican_cross <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/pelican.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/pedestrian_cross.n> <https://w3id.org/framester/conceptnet5/data/en/crosswalk.n> risorse dalla linked data cloud