Reviews requirements for a data archive system and describes storage media alternatives that are currently available. Topics discussed include data storage; data distribution; hierarchical storage architecture, including inline storage, online storage, nearline storage, and offline storage; magnetic disks; optical disks; conventional magnetic…

Social science data, existing in a format that can be manipulated by computing machinery, can be used for many purposes in addition to those for which they were initially collected. Scholars and government planners should hve ready and equal access to such material and these groups will be best served if they are informed regarding the…

The objectives of this project were to assist the National Archives and Records Administration (NARA) in developing a policy for the representation, transfer, access, and preservation of electronic records of permanent value. A lack of attention to the management, retention, and selective preservation of these machine-readable records will result…

The first of two articles discusses the technical issues of text transfer and processing encountered by the Knowledge Warehouse project. The second describes the development of the concept of a national electronic archive, and discusses issues such as contractual agreements, access control, copyrights, and commercial aspects of value added…