PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A QR code is a matrix barcode (or two-dimensional code), readable by QR scanners, mobile phones with a camera, and smartphones. ??? from Wikipedia.
http://www.w3.org/ns/prov#wasQuotedFrom
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