Hi,
For the following XML block i was able to write the xsd code correctly:
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<job><year>1990-1995</year><company>A1 University</company><job_title>Professor</job_title></job><job><year>1995-2010</year><company>A2 University</company><job_title>Head of Department</job_title></job><job><year>2011-Present</year><company>A3 University</company><job_title>Research</job_title></job>
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as:
<xsd:complexType name="jobt