PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to a couple of functions that focus on specific attributes, the Carbon speech synthesis API defines the GetSpeechInfo and SetSpeechInfo functions, which act upon a speech channel using an attribute, setting, or other value specified in a selector parameter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • apple.com