PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the reforming of such fuels generally produces a hydrogen-rich reformate that contains impurities such as carbon monoxide, carbon dioxide, and potentially sulfur and nitrogen-containing compounds as well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr