PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methane is a major contributor according to the scientific body???s update on the physical basis for climate change, released last fall, which deemed methane to be up to 44 percent more potent as a warming agent than previously recognized.
http://www.w3.org/ns/prov#wasQuotedFrom
  • carbonnation.info