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A Digital Preservation Repository for Duke University Libraries

A Digital Preservation Repository for Duke University Libraries. Jim Coble Digital Repository Services Duke University Libraries j im.coble@duke.edu. Preservation Repository. Improve digital asset preservation processes First Use Case: Digital Collections Master Files

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A Digital Preservation Repository for Duke University Libraries

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  1. TRLN Annual Meeting 2013 A Digital Preservation Repository for Duke University Libraries Jim Coble Digital Repository Services Duke University Libraries jim.coble@duke.edu

  2. TRLN Annual Meeting 2013 Preservation Repository • Improve digital asset preservation processes • First Use Case: Digital Collections Master Files • Digitized content, in-house and out-sourced • 380,000 archival master files (~ 20 TB) • Primarily still images, with some audio and video

  3. TRLN Annual Meeting 2013 Current Scenario (Typical) • Archival master files • Produced by library’s Digital Production Center (DPC) • Stored on filesystem • ACE-AM for periodic checksum validation • Descriptive metadata • Produced by Cataloging and Metadata Services department • Maintained in CONTENTdm (or elsewhere) • Technical metadata • Generated and maintained by DPC • Nothing ties these elements together except local knowledge and a DPC identifier

  4. TRLN Annual Meeting 2013 Initial Project Goal Archival Master Files Preservation Repository Descriptive Metadata DPC Technical Metadata

  5. TRLN Annual Meeting 2013 Technology • Fedora Commons Repository • Hydra Project Framework • Fedora (repository) • Solr (index) • Blacklight (discovery and access) • Hydra-Head (object creation / management)

  6. TRLN Annual Meeting 2013 Timeline • Spring 2012: Prototype using Fedora command line utilities and Django using “found time” • June 2012: Project formally launched • February 2013: Initial pilot completed • June 2013: Production preservation repository launched with two collections ingested

  7. TRLN Annual Meeting 2013 Ingest • Large amount of content to ingest • 380,000 archival master files (~ 20 TB) • Batch ingest mechanism • Reads content files from file system • Pulls in corresponding descriptive and technical metadata • Creates three PREMIS (Preservation) Event records for each ingested object • Ingestion • Ingest Validation • Initial Fixity Check

  8. TRLN Annual Meeting 2013 Validation PreservationEvent In PreservationEventeventMetadatadatastream …

  9. TRLN Annual Meeting 2013 Export Sets • Delivering archival master files to authorized patrons upon request • Current process is manual • DPC staff locate master file(s) on filesystem • Possibly create a zip file • Place file(s) in pick-up location or copy onto CD, DVD, etc., for delivery

  10. TRLN Annual Meeting 2013 Export Sets • Built on bookmark functionality • Staff member searches for content-bearing objects of interest and bookmarks them • Export set can be created from bookmark list • Content files are retrieved from the repository and bundled into a zip file • Staff member can download and deliver to patron • Zip file includes a README manifest listing the content files with basic metadata

  11. TRLN Annual Meeting 2013 Screenshot Walk-Through

  12. TRLN Annual Meeting 2013 Repository Home Page

  13. TRLN Annual Meeting 2013 Collection Index

  14. TRLN Annual Meeting 2013 Collection Content: Items

  15. TRLN Annual Meeting 2013 Creating Export Set

  16. TRLN Annual Meeting 2013 Creating Export Set

  17. TRLN Annual Meeting 2013 Export Set Created

  18. TRLN Annual Meeting 2013 Export Set Zip File

  19. TRLN Annual Meeting 2013 Future Plans • Version 1.1 – By September 2013 • Interface improvements • Refactored batch ingest • Future enhancements • Ingest (batch and individual) performed by library staff • Editing capability • Future Use Cases • Faculty scholarship, electronic theses and dissertations • Electronic records and other born-digital content • Datasets • Image library for teaching / learning

  20. TRLN Annual Meeting 2013 Questions? Jim Coble jim.coble@duke.edu Digital Repository Services Duke University Libraries Project https://github.com/duke-libraries/dul-hydra

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