PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • YouTube uses a few methods of identifying and removing content; an automated service called ContentID requires a Hollywood studio or other content provider to submit a reference file, an electronic ID of a particular movie, song, or other copyrighted work.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pcmag.com