Super Long Term Preservation for Digital Data

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  • Ono Sadayasu
    Graduate School of Media and Governance, Keio University

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  • ディジタル記録システムの恒久保存
  • ディジタル キロク システム ノ コウキュウ ホゾン

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In this paper, a super long term preservation for digital data is presented. The word "super long term" means over half century, the preservation is related to digital black hole that was pointed out by swedish archivist J. Palm. The paper is consisted of five subjects, needs for the preservation for digital data, lifetime of existing digital storage system, a effective improvement method for the lifetime extention, an original security system related to digital storage system, a perspective of next genearation researchs on some new devices for super long term preservation.<br>

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