https://w3id.org/framester/conceptnet5/data/en/secure <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/la.securus.a> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/actively_protect> risorse dalla linked data cloud