https://w3id.org/framester/conceptnet5/data/en/hydrocarbon.n <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/aliphatic> <https://w3id.org/framester/conceptnet5/data/en/compound> <https://w3id.org/framester/conceptnet5/data/en/carbon> <https://w3id.org/framester/conceptnet5/data/en/aromatic> <https://w3id.org/framester/conceptnet5/data/en/hydrogen> <https://w3id.org/framester/conceptnet5/data/en/petroleum> risorse dalla linked data cloud