PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Catalytic converters are used to reduce emissions of carbon monoxide, hydrocarbons, nitrogen oxides and other pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greencarcongress.com