https://w3id.org/framester/conceptnet5/data/en/stay_alert <https://w3id.org/framester/conceptnet5/schema/HasPrerequisite> <https://w3id.org/framester/conceptnet5/data/en/get_plenty_of_sleep> <https://w3id.org/framester/conceptnet5/schema/MotivatedByGoal> <https://w3id.org/framester/conceptnet5/data/en/jump_at_chance> risorse dalla linked data cloud