PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (There was a rumour that Qatar purchased put options around $45/bbl for a part of their production whereas Mexico is known to hedge most of their production at $75/bbl.)
http://www.w3.org/ns/prov#wasQuotedFrom
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