PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Refining uses a lot of energy, for instance, and the entire process produces emissions other than carbon dioxide that really do present problems in large quantities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hotair.com