PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Big advertisers such as Procter & Gamble and Microsoft have embraced the practice at a time when many traditional advertising venues are rising in cost while declining in impact.
http://www.w3.org/ns/prov#wasQuotedFrom
  • commercialalert.org