PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • $1.2 billion.Shell and other major oil and gas explorers regularly sell rights to fields where production is flat or declining.
http://www.w3.org/ns/prov#wasQuotedFrom
  • katu.com