PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On the subject of new oil, exploration vs. development was an issue ??? at what point does new oil enter the pipeline and how the tax system can best encourage more barrels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • petroleumnews.com