PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Would any court allow an expert to give his own subjective opinion as to the tone of a voice, and that the speaker is a young man?
http://www.w3.org/ns/prov#wasQuotedFrom
  • huffingtonpost.com