PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If memory is a concern or if the songs you represent do not fall into a well tempered scale (thinking middle-east song for example), instead of having a humming sample for each note of the scale, you could only have humming samples for a few frequencies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com