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OCLC Digital Archive
Digital Archive: Initial Release  <ul><li>Implement digital archive infrastructure </li></ul><ul><ul><li>OAIS </li></ul></...
Digital Archive Releases Initial release Batch release
Initial: Web Document  Digital Archive <ul><li>Harvest Web-based documents </li></ul><ul><li>Create preservation metadata ...
Harvest <ul><li>Web documents </li></ul><ul><ul><li>Text and still images </li></ul></ul><ul><ul><li>HTML, PDF, JPEG, GIF,...
Create Preservation Metadata <ul><li>Not bibliographic metadata </li></ul><ul><ul><li>Some fields map from resource catalo...
Ingest <ul><li>Set service level </li></ul><ul><ul><li>Local, store, preserve </li></ul></ul><ul><li>Takes in object and p...
Disseminate <ul><li>DIP (dissemination information package) </li></ul><ul><ul><li>O bjects and metadata  </li></ul></ul><u...
Administration Module <ul><li>Owners determine access </li></ul><ul><ul><li>Create authorization groups </li></ul></ul><ul...
OCLC Digital Archive Administrators <ul><li>Performance and media management </li></ul><ul><ul><li>Hierarchical storage </...
<ul><li>URL directed </li></ul><ul><li>Set parameters </li></ul><ul><li>Pre- & review </li></ul>Harvest local digital repo...
Digital Archive Timeline:  Initial Release <ul><li>Limited participation phase </li></ul><ul><ul><li>Summer 2002 </li></ul...
Next phases <ul><li>Preservation strategies  </li></ul><ul><ul><li>Migration, on-the-fly conversion & emulation </li></ul>...
Open Archival Information System (OAIS) <ul><li>Initiative of CCSDS </li></ul><ul><li>Draft International ISO standard </l...
An OAIS Archive <ul><li>System or organization responsible for preserving information over the long-term and making that i...
OAIS Basic Functions  <ul><li>Ingest </li></ul><ul><li>Archival storage </li></ul><ul><li>Data management  </li></ul><ul><...
OAIS to OCLC digital archive CORC Capture Stats & Reporting Service Levels Web Browser Digital  Archive System Planning Ad...
OAIS Major Information Types <ul><li>Representation  </li></ul><ul><ul><li>e.g. object size </li></ul></ul><ul><li>Referen...
Implementation at OCLC <ul><li>Object characteristics </li></ul><ul><ul><li>Born digital Web documents </li></ul></ul><ul>...
Selected Bibliography <ul><li>Lavoie, Brian.  “Meeting the Challenges of Digital Preservation: the OAIS Reference Model”  ...
  Selected Bibliography, continued <ul><li>Lavoie, Brian.  “Metadata for Digital Preservation.”  OCLC Newsletter , Septemb...
Questions <ul><li>Pam Kircher, OCLC Product Manager, Digital Archive </li></ul><ul><ul><li>800-848-5878, ext. 6459 </li></...
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OCLC Digital Archive - Suzanne Butte (2002)

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Open Archival Information Service (OAIS) workshop. Presented by Suzanne Butte, OCLC Library Services Consultant. Sponsored by ALA Federal and Armed Forces Libraries Roundtable (FAFLRT). Presented on June 15, 2002 at ALA Annual Conference.

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  • The last element in the OCLC digitization and preservation suite of offerings is the Digital Archive.
  • Transcript of "OCLC Digital Archive - Suzanne Butte (2002)"

    1. 1. OCLC Digital Archive
    2. 2. Digital Archive: Initial Release <ul><li>Implement digital archive infrastructure </li></ul><ul><ul><li>OAIS </li></ul></ul><ul><li>Develop best-practices </li></ul><ul><ul><li>Preservation metadata </li></ul></ul><ul><li>Develop tools </li></ul><ul><ul><li>Workflows </li></ul></ul><ul><li>Receive input from users / practitioners </li></ul>
    3. 3. Digital Archive Releases Initial release Batch release
    4. 4. Initial: Web Document Digital Archive <ul><li>Harvest Web-based documents </li></ul><ul><li>Create preservation metadata </li></ul><ul><ul><li>CORC interface </li></ul></ul><ul><li>Ingest and Disseminate </li></ul><ul><li>Manage archived objects </li></ul><ul><ul><li>Administration module </li></ul></ul>
    5. 5. Harvest <ul><li>Web documents </li></ul><ul><ul><li>Text and still images </li></ul></ul><ul><ul><li>HTML, PDF, JPEG, GIF, BMP, TIFF, ASCII </li></ul></ul><ul><li>Directed at URL </li></ul><ul><ul><li>Depth </li></ul></ul><ul><ul><li>Harvest strategy </li></ul></ul><ul><li>Preview, modify document, review </li></ul><ul><li>Fixity     </li></ul>
    6. 6. Create Preservation Metadata <ul><li>Not bibliographic metadata </li></ul><ul><ul><li>Some fields map from resource catalog record </li></ul></ul><ul><li>25 possible elements </li></ul><ul><ul><li>Based on OAIS information model </li></ul></ul><ul><ul><li>Modified by participants </li></ul></ul><ul><li>Hand and system input </li></ul><ul><li>Evolving </li></ul>
    7. 7. Ingest <ul><li>Set service level </li></ul><ul><ul><li>Local, store, preserve </li></ul></ul><ul><li>Takes in object and preservation metadata </li></ul><ul><li>System extracts structural metadata </li></ul><ul><ul><li>Object composition </li></ul></ul><ul><ul><li>Object size </li></ul></ul><ul><ul><li>File relationships </li></ul></ul>
    8. 8. Disseminate <ul><li>DIP (dissemination information package) </li></ul><ul><ul><li>O bjects and metadata </li></ul></ul><ul><ul><li>Via FTP </li></ul></ul><ul><li>View </li></ul><ul><ul><li>Via standard browsers </li></ul></ul><ul><ul><li>PURL (OpenURL syntax) </li></ul></ul>
    9. 9. Administration Module <ul><li>Owners determine access </li></ul><ul><ul><li>Create authorization groups </li></ul></ul><ul><ul><li>Create content groups </li></ul></ul><ul><ul><li>Create rights statements </li></ul></ul><ul><li>Can assign public access </li></ul>
    10. 10. OCLC Digital Archive Administrators <ul><li>Performance and media management </li></ul><ul><ul><li>Hierarchical storage </li></ul></ul><ul><ul><li>Secure computer facility </li></ul></ul><ul><li>Offsite backup </li></ul><ul><li>Periodic QA </li></ul><ul><ul><li>Fixity </li></ul></ul><ul><ul><li>Viruses </li></ul></ul>
    11. 11. <ul><li>URL directed </li></ul><ul><li>Set parameters </li></ul><ul><li>Pre- & review </li></ul>Harvest local digital repository OCLC Digital Archive Internet CORC <ul><li>Bib metadata </li></ul><ul><li>DA metadata </li></ul>FirstSearch (or other catalog) <ul><li>Search </li></ul><ul><li>View </li></ul><ul><li>Authenticate </li></ul><ul><li>Ingest/validate </li></ul><ul><li>Dissemination </li></ul><ul><li>Store & preserve </li></ul><ul><li>Administer </li></ul>OCLC Digital Archive
    12. 12. Digital Archive Timeline: Initial Release <ul><li>Limited participation phase </li></ul><ul><ul><li>Summer 2002 </li></ul></ul><ul><ul><li>Need additional participants </li></ul></ul><ul><ul><ul><li>http://www.oclc.org/digitalpreservation/archiving/wdda.shtm </li></ul></ul></ul><ul><li>General release </li></ul><ul><ul><li>Late 2002 </li></ul></ul>
    13. 13. Next phases <ul><li>Preservation strategies </li></ul><ul><ul><li>Migration, on-the-fly conversion & emulation </li></ul></ul><ul><li>Batch ingest </li></ul><ul><li>PURL re-direct </li></ul><ul><li>Digital rights management </li></ul><ul><li>Document authenticity issues </li></ul><ul><li>More file types </li></ul>
    14. 14. Open Archival Information System (OAIS) <ul><li>Initiative of CCSDS </li></ul><ul><li>Draft International ISO standard </li></ul><ul><li>Reference model </li></ul><ul><ul><li>Conceptual framework </li></ul></ul><ul><ul><li>Terminology </li></ul></ul><ul><li>Different from OAI </li></ul>
    15. 15. An OAIS Archive <ul><li>System or organization responsible for preserving information over the long-term and making that information accessible to a designated community </li></ul>
    16. 16. OAIS Basic Functions <ul><li>Ingest </li></ul><ul><li>Archival storage </li></ul><ul><li>Data management </li></ul><ul><li>Administration </li></ul><ul><li>Preservation planning </li></ul><ul><li>Access </li></ul>
    17. 17. OAIS to OCLC digital archive CORC Capture Stats & Reporting Service Levels Web Browser Digital Archive System Planning Administration Ingest Data Management Rights Management Preservation Planning Local Archive Disseminate
    18. 18. OAIS Major Information Types <ul><li>Representation </li></ul><ul><ul><li>e.g. object size </li></ul></ul><ul><li>Reference </li></ul><ul><ul><li>e.g. ISBN </li></ul></ul><ul><li>Provenance </li></ul><ul><ul><li>e.g. preservation actions </li></ul></ul><ul><li>Context </li></ul><ul><ul><li>e. g. why object was created </li></ul></ul><ul><li>Fixity </li></ul><ul><ul><li>e.g. checksum </li></ul></ul>
    19. 19. Implementation at OCLC <ul><li>Object characteristics </li></ul><ul><ul><li>Born digital Web documents </li></ul></ul><ul><ul><li>Mostly public-domain </li></ul></ul><ul><li>User characteristics </li></ul><ul><ul><li>Didn’t create the object </li></ul></ul><ul><ul><li>Want to integrate workflows </li></ul></ul><ul><ul><li>Use current staff </li></ul></ul><ul><li>Supporting Tools </li></ul><ul><ul><li>CORC </li></ul></ul><ul><ul><li>Content and Autho Groups </li></ul></ul><ul><ul><li>WorldCat </li></ul></ul>
    20. 20. Selected Bibliography <ul><li>Lavoie, Brian. “Meeting the Challenges of Digital Preservation: the OAIS Reference Model” OCLC Newsletter, January/February, 2000. pg. 26-30. http://www2.oclc.org/oclc/pdf/news243.pdf </li></ul>
    21. 21.   Selected Bibliography, continued <ul><li>Lavoie, Brian. “Metadata for Digital Preservation.” OCLC Newsletter , September/October 2001. p. 33-36. http://www2.oclc.org/oclc/pdf/news253.pdf </li></ul><ul><li>OCLC/RLG Preservation Metadata Working Group. White Papers http://www.oclc.org/research/pmwg/ </li></ul>
    22. 22. Questions <ul><li>Pam Kircher, OCLC Product Manager, Digital Archive </li></ul><ul><ul><li>800-848-5878, ext. 6459 </li></ul></ul><ul><ul><li>[email_address] </li></ul></ul><ul><li>Suzanne Butte, OCLC Library Services Consultant </li></ul><ul><ul><li>800-848-5878, ext. 5130 </li></ul></ul><ul><ul><li>[email_address] </li></ul></ul><ul><li>http://www.oclc.org/digitalpreservation </li></ul>
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