Last week, the National Academies Board on Research Data and Information hosted a Symposium on the Interagency Strategic Plan for Big Data. Staff from the National Institutes of Health, the National Science Foundation, the U.S. Geological Survey and the National Institute for Standards and Technology presented on ongoing work to establish an interagency strategic plan …
Fixity, the property of a digital file or object being fixed or unchanged, is a cornerstone of digital preservation. Fixity information, from simple file counts or file size values to more precise checksums and cryptographic hashes, is data used to verify whether an object has been altered or degraded. Many in the preservation community know …
While a fair amount of digital preservation focuses on objects that have clear corollaries to objects from our analog world (still and moving images and documents for example), there are a range of forms that are basically natively digital. Completely native digital forms, like database-driven web applications, introduce a variety of challenges for long-term preservation …
The following is a guest post from Jane Mandelbaum, co-chair of the National Digital Stewardship Alliance Innovation Working group and IT Project Manager at the Library of Congress. The NDSA Levels of Digital Preservation are useful in providing a high-level, at-a-glance overview of tiered guidance for planning for digital preservation. One of the most common requests received …
The following is a guest post by Jefferson Bailey, Strategic Initiatives Manager at Metropolitan New York Library Council, National Digital Stewardship Alliance Innovation Working Group co-chair and a former Fellow in the Library of Congress’s Office of Strategic Initiatives. Here on The Signal, members of the NDSA Levels of Digital Preservation team have been providing some …
