PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The second part is a more complicated test that looks at the timing to an election and the content of the ad, such as whether it essentially advocates for or against a candidate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rawstory.com