PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For instance, if wheat prices spike, you can bet the prices of cereal, bread and other wheat-containing products will soon follow suit.Rising DemandCommodities are especially critical now because demand for them has never been greater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • investopedia.com