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A Tour of the OAIS Reference Model Brian Lavoie Research Scientist Office of Research OCLC Museum Computer Network Annual Conference September 2002.

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Presentation on theme: "A Tour of the OAIS Reference Model Brian Lavoie Research Scientist Office of Research OCLC Museum Computer Network Annual Conference September 2002."— Presentation transcript:

1 A Tour of the OAIS Reference Model Brian Lavoie Research Scientist Office of Research OCLC Museum Computer Network Annual Conference September 2002

2 Roadmap OAIS is the answer! … whats the question??? A whirlwind tour of the OAIS reference model From conceptualization to implementation …

3 Before OAIS … Growing awareness of digital preservation as both an imperative and a challenge Recognition that digital preservation impacts multiple domains: – Libraries, museums, government agencies, private sector Yes, lots of domain-specific issues, but also issues that transcend domains … – Shared issues, challenges – Common ground for cross-domain dialog/collaboration

4 Gathering the Strands … NASA: Consultative Committee for Space Data Systems Develop ISO archive standards for long-term storage of digital data Engage the digital preservation community at large First step: Develop framework to extend the concepts and issues of digital preservation to as broad a community as possible

5 Open Archival Information System Reference Model Open: developed/released in a public forum Archival Information System: Organization of people and systems that has accepted the responsibility to preserve information and make it available for a Designated Community Reference Model: high-level description of an OAISs: – Environment – Functional model – Information model – NOT AN IMPLEMENTATION! January 2002: APPROVED – ISO standard 14721:2002

6 OAIS Environment OAIS(Archive)OAIS(Archive) ManagementManagement ProducerProducerConsumerConsumerDesignatedCommunityDesignatedCommunity OAIS(Archive)OAIS(Archive) DesignatedCommunityDesignatedCommunity

7 Open Archival Information System Two primary functions: – Preserve information – Make it available for a Designated Community Functional Model: six components Ingest Archival Storage Access Preservation Planning Data Management Administration

8 OAIS Information Model Information Package: Conceptual structure for information as it moves into, through, and out of the archival system Digital object and its associated metadata, bound into a single logical package Three Types: – Submission Information Package (SIP) – Archival Information Package (AIP) – Dissemination Information Package (DIP)

9 Packaging Information Content Information Inside the Archival Information Package … Content Data Object Representation Information Preservation Description Information Provenance Fixity Context Reference Descriptive Information

10 Moving Forward … Repository Architectures: OAIS-compliant OAIS-Related Standards Domain-Specific Implementations Preservation Metadata Encoding and Exchange: (METS)

11 For More Information … OAIS Reference Model: Producer-Archive Interface Standard: Attributes Working Group: Preservation Metadata Working Group: METS:


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