https://w3id.org/framester/conceptnet5/data/en/log_off.v <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/depart> <https://w3id.org/framester/conceptnet5/data/en/goodbye> <https://w3id.org/framester/conceptnet5/data/en/log_out> risorse dalla linked data cloud