PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Worldwide military, political, economic and other events have contributed to oil and natural gas price volatility and are likely to continue to do so in the future.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov