PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Current measures on ozone precursors have focused primarily on decreasing the peaks of ozone, especially in urban areas, and therefore on precursors such as NOx and non-methane VOCs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org