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ETDs from ProQuest can have a variety of file types in each submission package. For a given ETD submission package, each file with a currently supported DRS Content Model will be deposited in a separate DRS Object and assigned a 'Role'. All files in a submission package with formats that are not currently supported by a DRS Content Models will be put into one Opaque Object. The example in the table below illustrates how file types from a submission would be assigned to a Content Model.
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USE_ROLE - Thesis or Supplement[1,2. ,3..] or License[1,2,3…] or Documentation[1,2,3,..] (outlined below)
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