PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The New York Times and other media are reporting that Amazon is set to launch an online video service that will feature advertising in order to make it available for free to consumers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wpp.com