PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Oil companies are shifting to rail because more crude is being produced by hydraulic fracturing in North Dakota, Canada and other areas inland.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sacbee.com