PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Beyond offering encrypted instant messaging, in its BlackBerry incarnation BBM also lets users send pictures, audio messages and other files.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uswitch.com