PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • China, for example, produces about 97 percent of rare earth materials ??? not so much because the country has most of the resources, although it does ??? but because most of the Western world, including the United States, stopped production for cost reasons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationaldefensemagazine.org