PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Josh Constine of TechCrunch discovered the feature, and Facebook confirmed the test to him, saying it only applied to organic videos uploaded to Facebook, and not to ads, or to videos uploaded to other platforms, such as YouTube.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com