https://w3id.org/framester/conceptnet5/data/en/concentration <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/state_of_mental_activity> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/salinity> <https://w3id.org/framester/conceptnet5/cla/de.veraltet> risorse dalla linked data cloud