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A Tour of the OAIS Reference Model

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abbott
11 diapositives · 272 Views · Aug 20, 2014

Join Brian Lavoie, Research Scientist at OCLC, for an engaging overview of the OAIS (Open Archival Information System) Reference Model. This presentation, delivered at the Computer Network Annual Conference in September 2002, addresses the urgent need for digital preservation across various domains, including libraries and museums. Discover how the OAIS framework supports long-term data storage and facilitates collaboration within the digital preservation community. Gain insights into the functional and informational models that guide effective preservation strategies.

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

  2. Roadmap • OAIS is the answer! … what’s 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 OAIS’s: • Environment • Functional model • Information model • NOT AN IMPLEMENTATION! • January 2002: APPROVED – ISO standard 14721:2002

  6. OAIS Environment OAIS (Archive) OAIS (Archive) Producer Consumer Designated Community Designated Community Management

  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 Data Management Preservation Planning 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. Inside the Archival Information Package … Packaging Information Content Information Preservation Description Information Content Data Object Representation Information Reference Provenance Context Fixity 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: http://ssdoo.gsfc.nasa.gov/nost/isoas/us/overview.html • Producer-Archive Interface Standard: http://ssdoo.gsfc.nasa.gov/nost/isoas/CCSDS-651.0-W-1.pdf • Attributes Working Group: http://www.rlg.org/longterm/attribswg.html • Preservation Metadata Working Group: http://www.oclc.org/research/pmwg/ • METS: http://www.loc.gov/standards/mets/