PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ironically, though Launchpad is a system used to help open source developers build applications, Launchpad itself was not open source - until today that is.
http://www.w3.org/ns/prov#wasQuotedFrom
  • internetnews.com