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A simple model illustrating the virtue of replication for long-term information preservation

Abstract

Each year destructive events might cause loss of data in members of an archival federation. This paper provides a ‘back-of-the-envelope’ model for the fraction of the federated data collection that survives after a certain number of years. It also discusses some simple parameterizations of factors that contribute to the trade offs between cost and survival of information.

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Acknowledgements

Support for Dr. Mattmann’s effort was provided by the Jet Propulsion Laboratory, California Institute of Technology under contract to the National Aeronautics and Space Administration.

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Correspondence to Bruce R. Barkstrom.

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Communicated by: Hassan A. Babaie

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Barkstrom, B.R., Mattmann, C.A. A simple model illustrating the virtue of replication for long-term information preservation. Earth Sci Inform 5, 105–109 (2012). https://doi.org/10.1007/s12145-012-0100-4

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  • DOI: https://doi.org/10.1007/s12145-012-0100-4

Keywords

  • Information loss rates
  • Parameterizations of rates of storage volume increases and costs