PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is noted that, in many types of media streams, a number of ???clues??? are available defining the content, including close caption text, electronic program guides, simulcast data, related Internet web sites, audio tracks, image information, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk