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Most Harvard schools use the ProQuest ETD Administration tool to manage Electronic Thesis and Dissertation submission. After a school accepts and approves an ETD, the actual files created by the student need to be deposited into the DRS for preservation.

DRS Content Models and Packages from ProQuest

DRS uses a 'Content Model' approach to provide the best preservation support for a limited set of file types. Any type of file, however, can be deposited into DRS using a specific Content Model, called an Opaque Object.  Files in an Opaque Object are given bit level preservation, but there are limited delivery options.  The DRS Content Guide explains which file formats are appropriate for each supported Content Model.

ETDs from ProQuest can have a variety of files and file types .  Each in each submission package. For a given ETD submission package, each file with a currently supported DRS Content Model will need be deposited in a separate DRS Object and be assigned a 'Role' in DRS. Files that have . All files in a submission package with formats that are not currently supported by a DRS Content Models , like CAD files, will be put in into one Opaque Object.  The DRS Content Guide explains which file formats are appropriate for each supported example in the table below illustrates how file types from a submission would be assigned to a Content Model.

Examples:

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