https://w3id.org/framester/conceptnet5/cla/la.iuro.v <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/swear> <https://w3id.org/framester/conceptnet5/data/en/oath> <https://w3id.org/framester/conceptnet5/data/en/vow> risorse dalla linked data cloud