https://w3id.org/framester/conceptnet5/data/en/ask_direct_question <https://w3id.org/framester/conceptnet5/schema/MotivatedByGoal> <https://w3id.org/framester/conceptnet5/data/en/find_truth> <https://w3id.org/framester/conceptnet5/data/en/determine_truth> risorse dalla linked data cloud