PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The potential to increase carbon and other greenhouse gas emissions pervades new oils???from extraction to upgrading and refining and use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • carnegieendowment.org