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Climbing Mt. Preservation:Architectures and Standards
Environmentsfor PREMIS
Chris Blackall, APSR
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Overview
• Digital sustainability/preservation concerns
• Overview of the PREMIS landscape– Climbing Mt. Preservation: a guided tour of standards environments through to architectures (with examples)
• New service-oriented architectures (and approaches)
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Sustainability
• Sustainable repositories and preservation– see Kevin Bradley “APSR Sustainability Issues Discussion Paper” January 2005.•http://www.apsr.edu.au/documents/APSR_Sustainability_Issues_Paper.pdf
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Focus
• Data sustainability– Preservability– Interoperability– Accessibility
• Key concept: preservation metadata
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The Need for Digital Preservation
• Why do we need to do anything to preserve digital information?
• The physical technology will change• The data carrier (physical media)• The hardware
• The operating environment will change
• Rendering software• Operating systems• Supporting software technologies
• The format will become obsolete
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Mount Preservation (1)
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Mount Preservation (2)
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Mount Preservation (3)
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Preservation Swamp
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Kabulwarnamyo
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Peter Cooke
Lachlan Jimberry, Bardayal Nadjamerrek, Peter Cooke at Kabulwarnamyo
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Ecozones workshop
Ecozones Workshop, Kabulwarnamyo, Foreground l. to r. Jeremy Russell- Smith, Murray Garde and Bardayal
Nadjamerrek
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Ecozones workshop
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Ecozones workshop
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Ray and Mart
Kabulwarnamyo, l. to r. Maath Marralngurra and Ray
Nadjamerrek
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Mount Preservation (3)
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Warning
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OAIS Reference Model
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OAIS Detail
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OAIS Reference Model
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OAIS Reference Model
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OAIS 1
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OAIS users
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OAIS software
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OAIS SIP
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OAIS DIP
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OAIS AIP
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OAIS METS Profile
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OAIS PREMIS
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Community of Practice
• OLAC (Open Language Archives Community)– Federated OLAC Repositories– OLAC metadata standards
• http://www.language-archives.org/
• PARADISEC (Pacific and Regional Archive for Digital Sources in Endangered Cultures)– Linda Barwick
• http://www.paradisec.org.au
• EthnoER (Ethnographic eResearch)– Nick Thieberger
• http://ethnoer.unimelb.edu.au
SIP
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SIP SupportingFieldwork-based Research
• FIDAS (Fieldwork Data Sustainability) Project– Linda Barwick and Ian Johnson (University of Sydney)
• Fieldhelper software– Research data management and ‘drag-and-drop’ cataloguing tool• http://acl.arts.usyd.edu.au
– METS SIP packager using NLA METS Profile
• But we still need ‘smarter’ digital recording technologies
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DIPDSpace
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DIPBidwern Project
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DIPProjects
• FEZ: Fedora-based Repository Management System (The University of Queensland)– http://www.library.uq.edu.au/escholarship/
• Manakin Project (Texas A&M University)– Software framework for developing ‘overlay’ Interfaces for DSpace
– http://di.tamu.edu/projects/xmlui/manakin
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• PREMIS (PREservation Metadata: Implementation Strategies) Working Group http://www.oclc.org/research/projects/pmwg/
AIPPREMIS
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Preservation Actions
• Those steps that might be taken to ensure the digital material remains viable.– Refreshment– Migration– Emulation– Encapsulation
• The primary tool in enabling this process is Preservation Metadata
AIP
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Projects
• PRESTA (PREMIS Requirement Statement)– “PREMIS Requirement Statement Project Report”, Bronwyn Lee, Gerard Clifton and Somaya Langley, National Library of Australia, July 2006• http://www.apsr.edu.au/publications/presta/
AIP
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Projects
• AONS (Automatic Obsolescence Notification System) Project
• Sustainability of Word Processing Documents (Ian Barnes, The ANU)– http://www.apsr.edu.au/publications/preservation_of_word_processing_documents.html
– http://www.apsr.edu.au/publications/LaTeX-preservation.pdf
AIP
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Mount Preservation (3)
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Enterprise Architectures
• What is an ‘enterprise’?• Promoted by big IT vendors as an ‘enterprise integration’ solution– Complex & expensive, e.g. 2006 DIMIA IT contract, $495mil
• Service-Oriented Architectures (SOA)• Web Service Standards (W3C & OASIS)• DEST/JISC e-Framework
SIP
DIP
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Accidental ArchitecturesSIP
DIP
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Service-Oriented Architectures
SIP
DIP
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Service-Oriented Architectures
SIP
DIP
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Service-Oriented Architectures
SIP
DIP
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What about E2E Interoperability?
• Solved by using asynchronous messaging protocols
• Lightweight Remote Procedure Call (RPC) protocols: REST (Representational State Transfer)
• Heavyweight RPC protocols: SOAP (Simple Object Access Protocol)
• Metadata harvesting protocols: OAI-PMH
SIP
DIP
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PRESTA Service ModelSIP
DIP
AIP
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JISC/DEST e-FrameworkRepository Service Model
SIP
DIP
AIP
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Mount Preservation (3)
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Pathways
• Path 1. Accidental architectures/ monolithic enterprise applications/feral computing
• Path 2. Enterprise integration using WS standards and technologies/semi-virtuous computing
• Path 3. Enterprise Service-Oriented Architectures (SOA) and applications/ virtuous computing
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An Innovative Action Plan for the FutureThe Systemic Infrastructure Initiative
The Australian National UniversityThe University of Sydney
The University of QueenslandThe National Library of Australia
The Australian Partnership for Advanced Computing
Supported by:
APSR
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Model
