PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Here, D represents ???destination???, S is for ???source???, o for OR drawing, a for AND drawing, x for XOR, and n for NOT. Incidentally, DSo is a code for OR drawing of the destination and source, and is replaced with a drawing attribute D (No drawing necessary).
http://www.w3.org/ns/prov#wasQuotedFrom
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