PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An unguarded electrified rail carrying more than 50 volts is a safety hazard, and some people have been killed by touching the rail or by stepping on it while attempting to cross the tracks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reference.com