document
  prefix voprov <http://www.ivoa.net/documents/ProvenanceDM/ns/voprov/>
  prefix ex <http://ex.domain.org/prov/>
  
  entity(ex:MARCS_MOD_ATMO, [prov:label="ModelAtmosphere description"])
  entity(ex:POLLUX_SPECTRUM, [prov:label="POLLUX SPECTRUM"])
  entity(ex:MARCS_V3.5, [voprov:version="1.1.0", voprov:annotation="Activity", prov:label="MARCS_V3.5", prov:type='voprov:Description', voprov:doculink="xxx"])
  entity(ex:f_33942, [prov:label="f_3439.fits"])
  entity(ex:F_PARAMS1_DESC, [prov:label="parameters for model atmosphere computing"])
  entity(ex:TURBOPECTRUM_V2.0, [voprov:version="1.1.0", voprov:annotation="Activity2", prov:label="ACT2", prov:type='voprov:Description', voprov:doculink="yyy"])
  entity(ex:f_1, [prov:label="f_11385.txt"])
  entity(ex:f_25677, [prov:label="f_25677.fits"])
  used(ex:act1_1214, ex:f_1, -, [prov:role='ex:Parameters'])
  used(ex:act2_2675, ex:f_25677, -, [prov:role='ex:ModelAtmosphere'])
  wasInfluencedBy(ex:act2_2675, ex:TURBOPECTRUM_V2.0)
  wasInfluencedBy(ex:f_25677, ex:MARCS_MOD_ATMO)
  wasInfluencedBy(ex:f_1, ex:F_PARAMS1_DESC)
  wasInfluencedBy(ex:f_33942, ex:POLLUX_SPECTRUM)
  wasInfluencedBy(ex:act1_1214, ex:MARCS_V3.5)
  activity(ex:act1_1214, 2018-04-18T15:00:00+01:00, 2018-04-18T15:01:00+01:00, [prov:label="ex:act1_1214 [2018-04-17T14:00:00.000]"])
  activity(ex:act2_2675, 2018-04-18T15:02:00+01:00, 2018-04-18T15:03:00+01:00, [prov:label="ex:act2_2675 [2018-04-17T14:02:00.000]"])
  wasGeneratedBy(ex:f_33942, ex:act2_2675, -, [prov:role='ex:Spectrum'])
  wasGeneratedBy(ex:f_25677, ex:act1_1214, -, [prov:role='ex:ACT1_OUTPUT'])
endDocument