https://w3id.org/framester/conceptnet5/data/en/omelet <https://w3id.org/framester/conceptnet5/schema/HasProperty> <https://w3id.org/framester/conceptnet5/data/en/easy_to_cook> <https://w3id.org/framester/conceptnet5/schema/Synonym> <https://w3id.org/framester/conceptnet5/data/en/omelette> risorse dalla linked data cloud