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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 Institute on 21st Century LibrarianshipAug 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. • preserving digital objectsborn digital business records, archives electronic publications digital ephemera
traditional reformatting • microfilming • photocopying • photography • other facsimile technologies
digitization compared with traditional reformatting value added • can capture complex objects access material can be used in new ways
digital reformatting • page images • masters • presentation versions • reference versions • simple readable text • markup • combination of above
what makes digital preservation different? • no benign neglect loss will happen without an action • requires perpetual maintenance
falsification & authentication before.jpg937a0f56f2078859c4c2f81a96d48942 after.jpgd278b0a9741e164dd01467a4f6c36273
maintenance • backup • housekeeping • retensioning tapes • refreshing • monitoring & verification
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
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
can digitization be preservation? Challenges • ongoing maintenance/lifecycle management • standards • no “roadmap” to follow • best practices • active involvement of technical staff and facilities
can digitization be preservation? Understandable counter-reaction to the attitude that “We digitized it; it’s preserved”
digitization must be preservation • We have no choice • We have a fallback • Hide your valuables where the money is
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
digital archiving • born electronic • reborn electronic • preserving what we produce
storage • physical • electronic • Masters (offline, nearline) • Access (nearline, online)
ever increasing demand for services continuous technological change evolving standards and best practices strategic challenges
making digitization a trusted preservation tool fostering long-term outlook digital archiving strategic challenges
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/