https://w3id.org/framester/conceptnet5/data/en/organic_matter <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/matter.n> <https://w3id.org/framester/conceptnet5/schema/IsA> <https://w3id.org/framester/conceptnet5/data/en/topic_category> <https://w3id.org/framester/conceptnet5/data/en/tangible_thing> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/humus> risorse dalla linked data cloud