PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Assuming a signal was derived from speech, the type of signal can be further classified by determining whether the speech is voiced or unvoiced.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com