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Digital Archiving and Libraries Kathryn Lybarger November 6, 2008
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Outline Digitizing archival materials Archiving digital materials Communicating about archival materials Providing access to digital materials
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More practically... How to prepare for a digital archives job Things to keep in mind once you get there
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Digitizing archival materials
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Why digitize? What to digitize? How to digitize?
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Why digitize?
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Digitize for access
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Digitization for (any) access If materials are not online, they will not get used People may not know they exist
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Digitization for better access Easier searching Easier distribution More flexible organization Zoom in to read small text Access for visually impaired
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Digitize for preservation
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Digitization for preservation (no further damage) Digital copies are an effective surrogate Better than original? Less handling More security
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Digitization for preservation (conservation) A conservation opportunity! “Do no harm” May mean better image You may find: Incomplete materials Mold / damage
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Digitization for preservation (information) Record current state Copy may last May have color
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What to digitize?
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What to digitize (first)? First come, first serve? Projects with the most funding? Artifacts in the best shape? Artifacts in the worst shape?
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What to digitize: Access factors
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What to digitize: Opportunity factors
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What to digitize: Preservation factors
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What to digitize: Other factors
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How to digitize?
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Scan once / handle once Scan at true (uninterpolated) DPI Master digital image with: Minimal noise reduction / sharpening Minimal contrast changes (“gamma”) Make changes to “display master”
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Standards / best practices Example: NARA (National Archives and Records Administration) Guidelines
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Standards / best practices Example: Project specific guidelines NDNP - National Digital Newspaper Program
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Archiving digital materials
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Why archive?
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Why archive a digital version? Digitization for preservation Many artifacts are born digital
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How to archive digital materials Print to paper / film? Burn to CD / DVD? Hard drive? Server? Tape? Multiple copies?
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Trusted Digital Repository (TDR)
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TDR - Compliance with OAIS model Open Archival Information System reference model:
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TDR - Administrative Responsibility Use standards and best practices Environment Procedures Security Transparency Active sharing with depositors
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TDR - Organizational Viability Commitment to maintaining materials Appropriately skilled staff Formal succession plan
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TDR - Financial Sustainability Sustainable business plan Standard accounting procedures Adequate operating budget and reserves
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TDR - Technological and Procedural Suitability Consider a range of preservation strategies Appropriate hardware, software and staff Plans to replace hardware / software / procedures
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TDR - System Security Standards for copying, redundancy, backups Disaster preparedness, training Data integrity checking
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TDR - Procedural Accountability Practices documented and available Systems monitored Policies in place to address problems
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TDR - TRAC Checklist
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TDR may not be possible... But you can: Show the checklist to administration Follow the OAIS model Learn and follow standards and best practices
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Digital communication about archives
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Communicating about archives: Finding Aids
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Communicating about archives: OAI-PMH Open Archives Initiative – Protocol for Metadata Harvesting Search “dark archives”
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Communicating about archives Blogs Websites Mailing lists
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Digital access to archival materials
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Digital access to archival materials: Web/FTP sites Need not be fancy Simple to set up Limited functionality
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Digital access to archival materials: Content Delivery Systems Examples: DLXS ContentDM Greenstone More functionality Harder to set up May not be free
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Digital access to archival materials: Custom systems No appropriate system may exist Custom software may be written
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How to prepare?
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Classes Preservation, Archives Computers / Internet technology Cataloging Collection development Management …
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Get involved with digital projects Volunteer! This can give you experience: working with others creating content to a standard quality control, validation project management
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Wikipedia Collection development Subject cataloging Reference Dispute resolution
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Project Gutenberg Distributed Proofreaders Project management Scanning / OCR Proofreading / QA Standards PGDP XHTML LaTeX Project-specific
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Librivox Create audio books Similar to PGDP Digital audio
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Projects at University of Kentucky: National Digital Newspaper Program Digitizing historic Kentucky newspaper from microfilm Managed by Kopana Terry Project with NEH / LOC
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Projects at University of Kentucky: Daily Racing Form Preservation Project Preserving / digitizing historic newspaper from microfilm and originals Managed by Kathryn Lybarger Partnership with Keeneland
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Be comfortable with “metadata” “data about data” Metadata does not imply a specific format Metadata need not be digital
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Metadata examples (digital) MARC TEI EAD
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Types of metadata Descriptive Metadata Descriptive Metadata Structural Metadata Structural Metadata Administrative Metadata Administrative Metadata Preservation Metadata Rights and Access Metadata Technical Metadata
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Metadata examples (physical)
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Examples DescriptiveStructuralAdministrative PRIVATE PUBLIC A - K L - Z PERSONAL BUSINESS
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Be familiar with web 2.0 Blogs Wikis RSS feeds
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Set up a digital library Some content management software is free May be set up on a home computer Manage photos, e-books
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Learn a programming language Learn to: Recognize Compile / execute Edit Write! Examples: Perl PHP Javascript “regular expressions”
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Once you are in a job…
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Be flexible about the tools you use Be aware of free / open-source substitutes for expensive software: GIMP – GNU Image Manipulation Program SoX – Sound eXchange Pdftk – PDF toolkit Open Office – productivity suite
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Be flexible about how much you do Do it yourself More management, higher cost More control, learn more, pride Outsource Less control, other management, still do QA Lower cost, build relations with vendors
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Be flexible about encoding levels It may not be practical to: Re-key newspaper text Make each finding aid lovely Encode e-texts at very high levels Doing so means: Fewer documents will be digitized Your collection will not be consistent You may do a disservice to researchers
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Be willing to learn Technology and standards change Software may become unavailable Formats may become obselete New projects require learning new things
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Be patient May be doing many projects at once Conservation may be necessary Digitization is not always straight-forward Digitization takes time Delivery is a separate problem
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Don't panic! Within a collection, not all documents are the same Equipment breaks but can be fixed Your colleagues can help you
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