PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Recon's technology reduces the amount of water in extracted petroleum.Oil Field Furnaces ???Crude petroleum contains impurities including water and natural gas that must be removed before the petroleum can be sold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fool.com