PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These hydrocarbon and other organic compounds are well known air pollutants and are collectively referred to herein as volatile organic compounds or ???VOC???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es