PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet some major advertisers such as Procter & Gamble, for example, spend only a fraction of their vast advertising budgets in online pitches.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com