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digital preservation

digital preservation. Institute on 21 st Century Librarianship Aug 10, 2000. digital preservation. digital reformatting Using digital technology to preserve the information content (explicit signal) of print and non-print materials. The product is a digital surrogate for the original.

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digital preservation

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  1. digital preservation Institute on 21st Century LibrarianshipAug 10, 2000

  2. digital preservation • digital reformatting Using digital technology to preserve the information content (explicit signal) of print and non-print materials. The product is a digital surrogate for the original. • preserving digital objectsborn digital business records, archives electronic publications digital ephemera

  3. traditional reformatting • microfilming • photocopying • photography • other facsimile technologies

  4. digitization compared with traditional reformatting value added • can capture complex objects access material can be used in new ways

  5. digital reformatting • page images • masters • presentation versions • reference versions • simple readable text • markup • combination of above

  6. Once digitized, it’s just another object

  7. what makes digital preservation different? • no benign neglect loss will happen without an action • requires perpetual maintenance

  8. falsification & authentication before.jpg937a0f56f2078859c4c2f81a96d48942 after.jpgd278b0a9741e164dd01467a4f6c36273

  9. maintenance • backup • housekeeping • retensioning tapes • refreshing • monitoring & verification

  10. can digitization be preservation? • trivially: reduce need to handle originals • may actually increase demand for originals (A Good Thing™) • electronic browsing reduces casual handling • use of electronic masters for publishing

  11. can digitization be preservation? the prevailing wisdom says no • media undependable • institutional commitment to life-cycle management not in place • standards lacking • when compared to film, digitalobjects seem inherently ephemeral

  12. can digitization be preservation? Challenges • ongoing maintenance/lifecycle management • standards • no “roadmap” to follow • best practices • active involvement of technical staff and facilities

  13. can digitization be preservation? Understandable counter-reaction to the attitude that “We digitized it; it’s preserved”

  14. digitization must be preservation • We have no choice • We have a fallback • Hide your valuables where the money is

  15. digital preservation policy • tied to mission of institution • makes explicit what aspects of a collection are being preserved and why • indicates scope of institution’s commitment • declares institution’s preservation strategies • declares which standards/guidelines are being followed

  16. digital archiving • born electronic • reborn electronic • preserving what we produce

  17. storage • physical • electronic • Masters (offline, nearline) • Access (nearline, online)

  18. ever increasing demand for services continuous technological change evolving standards and best practices strategic challenges

  19. making digitization a trusted preservation tool fostering long-term outlook digital archiving strategic challenges

  20. sorry we ran overtime http://www.clir.org/ http://www.nla.gov.au/padi/ http://www.dlib.org/ http://www.rlg.org/preserv/diginews/ http://palimpsest.stanford.edu/bytopic/electronic-records/ http://palimpsest.stanford.edu/bytopic/electronic-records/electronic-storage-media/ http://aic.stanford.edu/conspec/emg/

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