https://w3id.org/framester/conceptnet5/data/en/once_in_while <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/cla/is.sinn.n> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/sometimes> <https://w3id.org/framester/conceptnet5/data/en/now_and_again> <https://w3id.org/framester/conceptnet5/data/en/from_time_to_time> <https://w3id.org/framester/conceptnet5/data/en/now_and_then> <https://w3id.org/framester/conceptnet5/data/en/every_so_often> risorse dalla linked data cloud