PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The gas is a waste product created during the manufacture of a refrigerant, and is rated 11,700 times more damaging to the environment than carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnn.com