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Metadata Provenance and Vulnerability

机译:元数据来源和漏洞

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The preservation of digital objects has become an urgent task in recent years as it has been realised that digital media have a short life span. The pace of technological change makes accessing these media more and more difficult. Digital preservation is accomplished by two main methods, migration and emulation. Migration has been proven to be a lossy method for many types of digital objects. Emulation is much more complex; however, it allows preserved digital objects to be rendered in their original format, which is especially important for complex types such as those made up of multiple dynamic files. Both methods rely on good metadata in order to maintain change history or construct an accurate representation of the required system environment. In this paper, we present our findings that show the vulnerability of metadata and how easily they can be lost and corrupted by everyday use. Furthermore, this paper aspires to raise awareness and to emphasise the necessity of caution and expertise when handling digital data by highlighting the importance of provenance metadata.
机译:近年来,由于已经意识到数字媒体的寿命很短,因此数字对象的保存已成为紧迫的任务。技术变革的步伐使得访问这些媒体越来越困难。数字保存通过两种主要方法完成,即迁移和仿真。事实证明,迁移是许多类型的数字对象的有损方法。仿真要复杂得多。但是,它允许保留的数字对象以其原始格式呈现,这对于复杂类型(例如由多个动态文件组成的类型)尤其重要。两种方法都依赖良好的元数据,以维护更改历史记录或构建所需系统环境的准确表示。在本文中,我们提出了一些发现,这些发现表明了元数据的脆弱性以及日常使用中元数据的丢失和破坏的难易程度。此外,本文希望通过强调出处元数据的重要性来提高人们的认识,并强调在处理数字数据时必须谨慎和专业。

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