Process Models and the Development of Trustworthy Digital Repositories

In the past 15 years, there has been much effort to address the long-term preservation of digital assets, including the establishment of standards, related guidance, and best practices. In this article, the authors will give an overview of process models for preservation, including OAIS, InterPARES, and the DCC Curation Lifecycle Model, and the relationship of those process models to the development of standards related to trustworthy repositories. A discussion of work towards developing standards and best practices to establish trustworthy repositories begins with the seminal documents Preserving Digital Information and Trusted Digital Repositories (TDR) continues through currently used de facto standards TRAC, DRAMBORA, and nestor, and concludes with certification-related standards emerging from the OAIS family of standards. Process models and their intersections with efforts to provide guidance and set standards for trustworthy repositories guide the work of practitioners charged with long-term digital asset management across many disciplines.

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