PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is the most prevalent heat-trapping greenhouse gas, emitted by the combustion of oil, coal and natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ens-newswire.com