PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The definition on Wikipedia says ??? QR code is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR barcode readers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • datadial.net