PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If two sounds have similar single equivalent formant frequency and amplitudes, it will be important to know whether the sound is voiced or unvoiced so that a determination can be made as to whether the sound is a vowel or an unvoiced consonant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com