PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Green house gases are such as carbon dioxide, methane, nitrous oxide and CFC's all of which have warming influence on the world climate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • enotes.com