PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The largest and best-known contributor is carbon dioxide, originating principally from the burning of wood and coal and petroleum derivatives.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gcrio.org