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National heritage archive17-5-2013Photo collectionDocumentariesAmateur film
Digital collection factsThousands of hours added per year6 petabytes of broadcast materialHundreds of users served every day17-5-2013Automated digital workflow since 20076 petabytes of digitised analog material
Digital risks17-5-2013- How to ensure digital material stays accessible?- IT-technology changes rapidly- Impact of failure is huge
Digital preservation17-5-2013- Solution: long-term digital preservation- Strategic goal: become a TDR- Project for preservation workflow policies
Digital Object management17-5-2013- Digital Object Management requirements:- Preservation metadata dictionary- Preservation workflow model
OAISISO 14721: functional modelISO 16363: guidelines for certification17-5-2013An OAIS is an Archive […] that has accepted theresponsibility to preserve information and make itavailable for a Designated Community.
Key concepts for preservation- Usability: Keeping the data readable for the designatedcommunity- Integrity: Keeping data from corruption:technical properties, fixity checking- Authenticity: audit-trail of actions within the digital lifecyclein preservation metadata17-5-2013
Events and provenance- Provenance metadata is a collection of Events- Events: defined actions with Agent and Outcome savedas metadata- Provenance metadata shows the history of the object17-5-2013
Preservation metadata dictionary- PREMIS as basis for provenance metadata and rights- Technical metadata for audio, video and still images17-5-2013Pixel widthPixel heightAspect ratioVideo codecColor space
Preservation metadata17-5-2013Preservation metadataTechnical metadataProvenance metadata:Events and AgentsEvent AgentRights metadata
OAIS processes: the IP-lifecycleA Producer provides aSubmission Information Packagein accordance with SubmissionAgreementsThe Archive stores theArchival Information PackageThe Designated Community requests aDissemination Information Packagein accordance with Order Agreements17-5-2013Digital Object + metadata = Information Package
Important findings17-5-2013Synchronizing theory with practice- The OAIS model needs to be tailored- Acquiring a Media Asset Management-system (MAM)- Workflow policies or technical requirements?
Important findings17-5-2013Learning, communication andcollaboration- Everyone should know their role and responsibility- A common reference framework is important
Important findings17-5-2013Preservation from an organizationalviewpoint- No single IT-application can meet all functionalrequirements- Overview of all actions and processes within the archive- Preservation is more than just digital technology
Questions that remain17-5-2013- What are the cost implications?- Which collections need to be preserved?- What to do with digitized legacy material?
Project achievements17-5-2013- A foundation for digital lifecycle management- Information model (preservation workflows)- Preservation metadata dictionary- Submission/Order Agreement guidelines- Description Designated communities
Project achievements17-5-2013- Technical requirements for Digital Object Management- Greater awareness that digital lifecycle managementinvolves all archive departments- A basis for certification for Data Seal of Approval