document
  prefix auction <http://auction.com/>
  prefix gallery <http://gallery.com/>
  prefix transport <http://transport.com/>
  prefix art <http://art.com/>
  
  wasGeneratedBy(art:6f3cab8, art:painting, -)
  wasAttributedTo(art:6f3cab8, art:6a52a44)
  wasAssociatedWith(art:painting, art:6a52a44, -)
  agent(art:6a52a44, [art:dateofdeath="2019-04-01", art:dateofbirth="1967-06-21", art:gender="m", art:artist="John Doe", prov:type="prov:Person"])
  activity(art:painting, -, -)
  entity(art:6f3cab8, [art:weight=56, art:size=64, art:location="London", art:dateofcreation="1993-02-10", art:type="painting", art:name="The Day"])
endDocument