PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Feature extraction is then performed to extract features of the user's voice, such as pitch, spectral frequencies, intonations, etc . . .
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca