PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Tungsten, one of the hardest metals in the world and used for everything from drill bits to light bulbs to touch screens, is suddenly hot.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fortune.com