PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • VOCs are pollutants released by motor vehicles, factories and power plants, and chemicals such as paints and cleaners.
http://www.w3.org/ns/prov#wasQuotedFrom
  • airpollutiontalk.com