PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are some economically essential goods, such as tungsten and oil, which the United States either does not produce at all or does not produce in sufficient quantities to serve domestic needs at a reasonable price.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalization101.org