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Reference Model for an Open Archival Information System (OAIS)

Reference Model for an Open Archival Information System (OAIS). OAIS:. 'Open'. 'Information'. 'Archival Information System'. An OAIS archive: … preserve information for access and use by a designated community.

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Reference Model for an Open Archival Information System (OAIS)

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  1. Reference Model for an Open Archival Information System (OAIS)

  2. OAIS: 'Open' 'Information' 'Archival Information System'

  3. An OAIS archive: … preserve information for access and use by a designated community. … includes archives that have to keep up with steady input streams of information as well as those that experience primarily aperiodic inputs. … includes archives that provide a wide variety of sophisticated access services as well as those that support only the simplest types of requests.

  4. Environment Model of an OAIS

  5. Obtaining Information from Data

  6. The Concept of an Information Package - Provenance - Context - Reference - Fixity - Content Data Object (Physical Object or Digital Object, i.e., bits) - Representation Information

  7. A high-level view of the interaction between the entities identified in the OAIS environment

  8. Functional Model SIP=Submission Information Packages AIP=Archival Information Packages DIP=Dissemination Information Packages

  9. PRESERVATION PERSPECTIVES Information Preservation Digital Migration four primary digital migration types: - Refreshment - Replication - Repackaging - Transformation

  10. PRESERVATION PERSPECTIVES Access Service Preservation … Application Programming Interface (API) maintained by the OAIS as Access Software … "look and feel" of the Content Information of a set of Archival Information Units

  11. Selected OAIS Usage Examples • InterPARES • Body of National Archives from many countries, adopted OAIS as a starting point for their modeling work • France set up a working group within ARISTOTE • interested in archive of digital information, including libraries and Dept of Justice. • http://www.aristote.asso.fr/ (in french) • System for Preservation and Access to Data and Information (SIPAD) • French space agency plasma physics archive used the OAIS as a basis for design • National Space Science Data Center (NSSDC)

  12. Questions? Bibliography: http://www.hki.uni-koeln.de/teach/ss06/DL/material/oais.pdf http://nost.gsfc.nasa.gov/isoas/ http://nost.gsfc.nasa.gov/isoas/presentations/oais_tutorial_200306.ppt

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