https://w3id.org/framester/conceptnet5/data/en/cephalo <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/brain> <https://w3id.org/framester/conceptnet5/data/en/head> <https://w3id.org/framester/conceptnet5/data/en/cephalic> risorse dalla linked data cloud