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20171130 IDPD significant properties in preservation solutions - Jon Tilbury

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Significant properties in preservation solutions by Jon Tilbury (Preservica) on the first International Digital Preservation Day.

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20171130 IDPD significant properties in preservation solutions - Jon Tilbury

  1. 1. Significant Properties and where they fit in to the DP future November 2017
  2. 2. Preservation : Now •Who does what •What role do Significant Properties play
  3. 3. Trusted long-term digital repository • Digital Preservation patterns become established • Evolution from original ​research to initial bespoke systems to off-the-shelf products • Similar approaches to overall workflows and digital preservation From Testbed to eDepot​
  4. 4. Producer Manager User Create and use Agree who keeps what Transfer Characterize Organise & Store Migrate Find Download Validate & re-use
  5. 5. DP systems
  6. 6. Where Significant Properties play a part Create and use Agree who keeps what Transfer Characterize Organise & Store Migrate Find Download Validate & re-use Created Used to make decisions Used to validate migration Used as a finding aid & filter Used to validate content
  7. 7. Properties, properties • Attributes of files • Number of pages, running time, colour histogram • Attributes of compound objects • Number of attachments, number of scanned pages • Attributes of content • Research data definitions
  8. 8. So where is the problem? • Experienced users define different properties • DP systems extract different properties • DP systems use properties in different ways • Little research into which properties should persist a migration and how much leeway to allow • No mechanism for sharing properties, or other best practice • Most current users don’t care • Most future users won’t even want to know
  9. 9. Preservation : Future •The users of the future •What this means for DP systems •Where this leaves properties
  10. 10. Where next – model 1? Create and use Agree who keeps what Transfer Characterize Organise & Store Migrate Find Download Validate & re-use Rules agreed Immediately accessible Fully automated
  11. 11. Where next – model 2? • Aging rules • Automated transfer Initial content life • Find my content • Get my content In the future My day-to-day system My DP black box Ingest • Receive • Characterise Manage • Organise & Store • Migrate Access • Search • Download
  12. 12. Where next – model 3? • Store and use in my day-to- day system Initial content life • Find and get the latest rendition In the future My day-to-day system My DP toolkit My content store • Find content at risk • Extract objects Find and migrate • Confirm migration • Update store Validate & return
  13. 13. What does this mean for Significant Properties
  14. 14. Automation, automation • Rules are the DNA of Preservation • The community is the brain • Automated extraction of properties • Automated migration according to rules • Constant updating of the rules • Rules need to reflect community best practice, academic validation and the art of the possible
  15. 15. Its all about registries • Registries define best practice for identification, validation, property extraction, migration, rendering • World network of registries with cooperation between DP vendors, practitioners, academics, content software vendors • Update using human and artificial intelligence LocalLocal Local Local Master University Standard user Product 1 National leader Product 2 Specialist
  16. 16. Summary Significant Properties are important • Drive validation, trust, automation and preservation at scale The users of tomorrow will be different • May not even know they are using Digital Preservation Global cooperation is needed • Lets all work together to share best practice and the users of tomorrow will thank you
  17. 17. Thank you info@preservica.com preservica.com @preservica @dPreservation

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