document
  default <http://www.ncl.ac.uk/>
  prefix vargen <http://openprovenance.org/vargen#>
  prefix var <http://openprovenance.org/var#>
  prefix sp <http://www.w3.org/ns/sosa/prov/>
  prefix sosa <http://www.w3.org/ns/sosa/>
  
  bundle vargen:templ_observation
    default <http://www.ncl.ac.uk/>
    prefix vargen <http://openprovenance.org/vargen#>
    prefix var <http://openprovenance.org/var#>
    
    entity(var:Result, [value='var:value'])
    entity(var:Procedure)
    entity(var:FeatureOfInterest, [value='var:type', value='var:theme'])
    used(var:Observation, var:FeatureOfInterest, -)
    used(var:Observation, var:Procedure, -)
    wasAssociatedWith(var:Observation, var:Sensor, -)
    activity(var:Observation, -, -, [value='var:timestamp'])
    wasGeneratedBy(var:Result, var:Observation, -)
    agent(var:Sensor, [value='var:sensorname'])
  endBundle
endDocument