https://w3id.org/framester/conceptnet5/cla/oj.ziinzibaakwad.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/sugar> <https://w3id.org/framester/conceptnet5/data/en/maple_sugar> risorse dalla linked data cloud