https://w3id.org/framester/conceptnet5/data/en/serpens <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.serpo.v> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/constellation> <https://w3id.org/framester/conceptnet5/data/en/extraterrestrial> risorse dalla linked data cloud