PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I wrote that the stock market was a buy back when the S&P was south of 900 and everyone was pessimistic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org