https://w3id.org/framester/conceptnet5/data/en/checkerboard <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/board.n> <https://w3id.org/framester/conceptnet5/data/en/checker.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/gameboard.n> risorse dalla linked data cloud