PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • What it is, is a very rare photo of the visible shock wave of the TSAR 50/100 nuclear test.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tor.com