https://w3id.org/framester/conceptnet5/data/en/american_plan <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/american> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/modify_american_plan> <https://w3id.org/framester/conceptnet5/data/en/half_board> <https://w3id.org/framester/conceptnet5/data/en/european_plan> risorse dalla linked data cloud