PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I realize that oil is a finite resource but forecasts of imminent doom date back to 1874 when the Pennsylvania state geologist forecast that US oil supply would be gone in four years.
http://www.w3.org/ns/prov#wasQuotedFrom
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