document
  prefix auction <http://auction.com/>
  prefix gallery <http://gallery.com/>
  prefix transport <http://transport.com/>
  prefix art <http://art.com/>
  
  wasGeneratedBy(art:837f9ce, art:painting, -)
  wasAttributedTo(art:837f9ce, art:fbe358d)
  wasAssociatedWith(art:painting, art:fbe358d, -)
  agent(art:fbe358d, [art:dateofdeath="2019-04-27", art:dateofbirth="2019-04-05", art:gender="m", art:artist="John Doe", prov:type="prov:Person"])
  activity(art:painting, -, -)
  entity(art:837f9ce, [art:weight=96, art:size=54, art:location="London", art:dateofcreation="2019-04-10", art:type="painting", art:name="Main"])
endDocument