PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The codec SHOULD be widely used in Internet or other systems, thus enabling interoperability between Jingle applications and non-Jingle applications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • xmpp.org