PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When the market is particularly strong, the price falls faster; if the market is weak, the price declines slower, creating a ???growth corridor.??? The following chart illustrates the concept.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org