PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It finds that carbon dioxide and other greenhouse gases are chemical substances emitted into the ambient air, and therefore are covered by the Clean Air Act.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org