PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each well requires 1,200 truckloads of materials: water, sand, chemicals, steel and other commodities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ohio.com