PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Gulf oil spill really was a catastrophe, but it was also a great time to buy BP (BP) stock, at least for a trade.
http://www.w3.org/ns/prov#wasQuotedFrom
  • investorplace.com