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FITEE
Frontiers of Information Technology & Electronic Engineering  2010, Vol. 11 Issue (11): 872-881    DOI: 10.1631/jzus.C1001006
    
Chao Li, Xiao-hui Zheng, Xing Meng, Li Wang, Chun-xiao Xing
A methodology for measuring the preservation durability of digital formats
Chao Li, Xiao-hui Zheng, Xing Meng, Li Wang, Chun-xiao Xing
Research Institute of Information Technology, Tsinghua University, Beijing 100084, China, Library of Tsinghua University, Tsinghua University, Beijing 100084, China
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Abstract: It is now widely recognized that appropriate measures are required for digital preservation to ensure that digital data can be accessed and used currently and in the future. Among all the risks of digital preservation, format obsolescence is one of the most important. There have been several projects or initiatives dealing with the measurement method of format obsolescence risk, but there has been no mechanism to quantify the preservation risk or durability of digital formats based on a self-improving assessment model, executed with the aid of computers. This paper deals with a methodology for measuring the preservation durability of digital formats, especially for their risk assessment. This method is based on a quantitative assessment model for format risk, and can shift the non-quantifiable knowledge or experiences of field experts to a machine identifiable and processible form, or ‘risk scores’. Results can be recognized and communicated by computers automatically and formally, which can assist in the automatic/semi-automatic risk management for digital preservation, sharing this quantified knowledge among communities. Because technologies are changing quickly, the quantitative assessment model for risks will not be a status quo situation. Thus, also presented is a method to fine tune the quantitative assessment model for risk of formats through a self-learning and self-improving style.
Key words: Digital preservation    Format obsolescence    Risk assessment model    Risk value
收稿日期: 2010-09-14 出版日期: 2010-11-04
CLC:  G250.76  
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Xing Meng
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引用本文:

Chao Li, Xiao-hui Zheng, Xing Meng, Li Wang, Chun-xiao Xing. A methodology for measuring the preservation durability of digital formats. Front. Inform. Technol. Electron. Eng., 2010, 11(11): 872-881.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C1001006    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2010/V11/I11/872

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