Niklas Köhn HS 'Digital Libraries' Digital Preservation – Reasons & Methods Summary of Delos Summer School 2005 Digital Preservation Reasons & Methods

Niklas KöhnHS 'Digital Libraries'

Digital Preservation – Reasons & MethodsSummary of Delos Summer School 2005

Digital PreservationReasons & Methods

Delos Summer School 2005



Digital Preservation – Reasons & MethodsContent Overview

'Digital Preservation in Digital Libraries – Issues, Obstacles and Possibilities'

by Anne R.Kenney

'Audit & Certification'by Seamus Ross

'The DELOS Testbed: Identifying, evaluating and selecting preservation methods'

by Andreas Rauber and Hans Hofman



Digital Preservation – Reasons & MethodsContent Overview

'Managing Ingest: Handling, Documenting and Automating'

by Birte Christensen-Dalsgaard



Digital Preservation in Digital Libraries – Issues, Obstacles and Possibilities

Anne R.Kenney, Cornell University



DO Digital Preservation

Cultural heritage at risk Protect institutional

assets and investments Ensure access Prevent rather than

recover from disaster Things can be done now DP shouldn‘t be solely

driven by technology

NO Digital Preservation

We rely on paper Lots of copies out there Vendors support

backward compatibility Legal and financial

concerns prevent it No complete solution We just keep everything

Reasons



Survey of Instututional Readiness Constituents




70% no support




70% no support

39% obsolescence




70% no support

39% obsolescence 74% no ongoing funding



Survey of Instututional Readiness Digital Content



Survey of Instututional Readiness File Management Program



Foundation Documents

Trusted Digital RepositoriesAttributes and Responsibilities (RLG/OCLC)





OAIS Reference Model(CCSDS)





OAIS Reference Model(CCSDS)

Together:

enable collaborative initiativesleverage community-based efforts



Five Organizational Stages

1. Acknowledge2. Act3. Consolidate4. Institutionalize5. Externalize




TechnicalRecources

Organizational

1. AcknowledgeUnderstanding, thatdigital preservation is alocal problem

non-existent

non-existent or inadequate

low




Technical Recources

Organizational

2. ActOne-time fixes to ongoing problem

general terms

reactive

project-based




Technical

Recources

Organizational

3. ConsolidateActivities become increasingly coordinated

basic policies

proactive

limited beyond projects




TechnicalRecourcesOrganizational

4. InstitutionalizeMapping to external standards, begin long-term planning.

systematic

anticipates needs

sustainable




Technical RecourcesOrganizational

5. ExternalizeInter-institutional collaboration and dependencies

collaboration

distributedintegrated

varyingsustainable




1. Acknowledge2. Act3. Consolidate4. Institutionalize5. Externalize

maturity model measure progress

of preservation development



Cornell‘s special approach

VerticalArchiveSilos

Pu

blis

her-

base

d

Inst

itu

tion-b

ase

d

Form

at-

base

d




Cuttingacross

Pu

blis

her-

base

d

Inst

itu

tion-b

ase

d

Form

at-

base

d

Subject-based




Pu

blis

her-

base

d

Inst

itu

tion-b

ase

d

Form

at-

base

d

Subject-based

Function-basedGovernment-controlled






Audit & Certification

Seamus Ross, University of Glasgow



Requirements

media types



Requirements

media types

authenticityintegrityof objects



Requirements

media types

self-contained




Requirements

media types

self-contained


accessibility



Requirements

media types

self-contained


accessibility

stakeholders



Requirements

media types

self-contained


accessibility

stakeholders



Trusted Repository

TDR and OAIS+ curatorial aspects+ customer perspective



Audit Types

Internal: self assessment External: financial, operational, IT/EDP systems

and services



Audit Challenges

What should how be audited? Who should do the audits? Certify…

… the repository?… the organisation?… the System?

Framework to deal with… different business contexts… different levels of compliance



Audit Target Group

Who will seek certification? Who will pay for certification?



people, data, processes, managing organisations

Workgroup RLG/NARA

certifiable elements




Workgroup RLG/NARA


standard certification

process




Workgroup RLG/NARA



process

emergency plans




Workgroup RLG/NARA



process

emergency plans

revocation of certification



The DELOS TestbedIdentifying, evaluating and selecting preservation methods

Andreas Rauber, Technology University ViennaHans Hofman, Nationaal Archief Netherlands



Motivation

Which preservation strategy is the most suitable according to my needs?



Purposes

evaluate strategies

define requirements

documentation

controlled, trustedpreservation procedure



Purposes and Objectives

evaluate strategies

define requirements

documentation


authenticity features




evaluate strategies

define requirements

documentation



metadata




evaluate strategies

define requirements

documentation



metadata

cost factors




evaluate strategies

define requirements

documentation



metadata

cost factors

technical solutions



Environment



Environment



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Evaluation Process



Managing Ingest:Handling, Documenting and Automating

Birte Christensen-Dalsgaard, statsbiblioteket.dk



Harvesting management



The Web

Protocols Surface web – deep web Simple objects – complex objects Applications Personalisation



Protocols



Developement



Developement



Developement



Problems of Harvesting