https://w3id.org/framester/conceptnet5/cla/la.cantatus <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/sing> <https://w3id.org/framester/conceptnet5/data/en/cantus> <https://w3id.org/framester/conceptnet5/data/en/cantor> risorse dalla linked data cloud