PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is often useful to convert a signal such as a human voice or music into an electronic signal where one or more processes can then be performed on the signal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com