https://w3id.org/framester/conceptnet5/data/en/nucleoside <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/molecular_radical> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/nucleotide> <https://w3id.org/framester/conceptnet5/data/en/dna> <https://w3id.org/framester/conceptnet5/data/en/rna> <https://w3id.org/framester/conceptnet5/data/en/nucleobase> risorse dalla linked data cloud