https://w3id.org/framester/conceptnet5/data/en/monospecific.a <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/specie> <https://w3id.org/framester/conceptnet5/data/en/antigen> risorse dalla linked data cloud