PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The 1990 Clean Air Act encourages development and sale of alternative fuels such as alcohols, liquefied petroleum gas (LPG) and natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • policyalmanac.org