PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They noted that they Clean Air Act (CAA) defines and air pollutant as any air pollution agent or combination of such agents, including any physical, chemical, biological, radioactive . . . substance or matter which is emitted into or otherwise enters the ambient air and said that greenhouse gases fit well within the CAA???s capacious definition of air pollutant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • edf.org