document
  prefix s <http://schema.org/>
  prefix ex <http://example.com/>
  
  used(ex:composing, ex:dataset, 2011-11-16T16:00:00+00:00)
  wasAssociatedWith(ex:composing, ex:derek, -)
  activity(ex:composing, -, -, [prov:label="Composing region and data", prov:type='ex:Composing'])
  wasGeneratedBy(ex:composition, ex:composing, 2011-11-16T16:45:00+00:00)
  agent(ex:derek, [s:givenName="Derek", prov:type='prov:Person', s:email="derek@example.org"])
  entity(ex:composition)
  entity(ex:dataset, [prov:type='s:Dataset'])
  entity(ex:regionList)
  wasAttributedTo(ex:composition, ex:derek)
  used(ex:composing, ex:regionList, -)
endDocument