PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have to admit, I am not even sure if it really depends on the producing software; the scanning software seems to get it right every time, but then again there is a tool apparently fixing this problem (have not tried it yet), which hints at a problem on Adobe's side.
http://www.w3.org/ns/prov#wasQuotedFrom
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