PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These pollutants include coarse and fine particulate matter, oxides of nitrogen, sulfur oxides, ozone precursors, and yes, some of the greenhouse gases as well, including carbon dioxide, nitrous oxide, and methane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aei.org