PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fluctuating demand is a problem, especially in the period following the second world war when producers and farmers could not be sure of selling their milk.
http://www.w3.org/ns/prov#wasQuotedFrom
  • parl.gc.ca