PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Rationale: Just as candidates are required to ???stand by their ads??? so that the public knows who is delivering the message, corporations, labor unions or other entities that air political ads should also take responsibility for and enlighten the public about who is behind a message.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sunlightfoundation.com