PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But once a shift occurs from increasing credit availability to reduced credit availability, as it does about the time peak oil production is reached, then prices for all types of commodities tend drop.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energybulletin.net