PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Where digital signal conversion occurs from what is originally an analog signal, however, such as with music or other natural wave forms, the end result is only an approximation of the original analog signal and some quality in digital format may be lost.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com