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Preservation - Check

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jackson-daniel
9 diapositives · 338 Views · Nov 02, 2014

Digital Preservation: Logical and bit-stream preservation using Plato and Eprints Physical preservation with Eprints: 2 File Formats and Risk Analysis. The Preservation Process. Preservation - Check. Bit checking & checksum calculation. Preservation - Analyse.

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Preservation - Check
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  1. Digital Preservation: Logical and bit-stream preservation using Plato and EprintsPhysical preservation with Eprints: 2 File Formats and Risk Analysis

  2. The Preservation Process Preservation - Check • Bit checking & checksum calculation Preservation - Analyse • What is the type of file, is the file valid? • Is the file at risk of not having an editor/reader? • Is there a better format available? Lossless or Lossy? Preservation - Action • File migration to avert risks found by analysis. • Movement of file to new storage.

  3. Analysis Preservation - Analyse • What is the type of file, is the file valid? • Droid is a good classification tool for this. • Is the file at risk of not having an editor/reader? • Functionality is being developed in PRONOM technical registry. • Is there a better format available? Lossless or Lossy? • .

  4. File Format Analysis Preservation - Analyse EPrints File Classification

  5. Risk Analysis Preservation - Analyse • Is the file at risk of not having an editor/reader? • Functionality is being developed in PRONOM technical registry. • Simple SOAP web service • Takes file format identification id’s, hands back risk score. • Breakdown of risk score may also be available in future releases. • A stub you can download and run providing this functionality before the official release with mock up risk scores is available at http://preserv2.googlecode.com

  6. Risk Analysis In EPrints Risk Analysis Preservation - Analyse EPrints File Classification + Risk Analysis

  7. Risk Analysis In EPrints Detail View Risk Analysis Preservation - Analyse EPrints File Classification + Risk Analysis

  8. Risk Analysis In EPrints Migration? Transformation? Preservation - Action Mock up Transformation Interface Migration Tools Tool Preservation Level PPT -> PPTX PPT -> PDF

  9. Recap Preservation - Check • Handled by our storage manager and reported back via the preservation interface. Preservation - Analyse • Parallels can be drawn with storage, in that we are integrating with and utilising currently available services to perform our analysis. • Processing of the results leads to a powerful interface which tells us many things about the repository ecosystem and it’s future. Preservation - Action • Future plan is to utilise further web based services to ensure information remains comprehensive and up to date set, 0day digital preservation.