Prototype Preservation Environments
نویسندگان
چکیده
منابع مشابه
Prototype Preservation Environments
The Persistent Archive Testbed and National Archives and Records Administration (NARA) research prototype persistent archive are examples of preservation environments. Both projects are using data grids to implement data management infrastructure that can manage technology evolution. Data grids are software systems that provide persistent names to digital entities, manage data that are distribu...
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The long-term preservation of digital entities requires mechanisms to manage the authenticity of massive data collections that are written to archival storage systems. Preservation environments impose authenticity constraints and manage the evolution of the storage system technology by building infrastructure independent solutions. This seeming paradox, the need for large archives, while avoidi...
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More and more information that is considered for digital long-term preservation is generated by Web 2.0 applications like wikis, blogs or social networking tools. However, there is little support for the preservation of these data today. Currently they are preserved like regular Web sites without taking the flexible, lightweight and mostly graphbased data models of the underlying Web 2.0 applic...
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High concentrations of particulate ATP were found in the anoxic brines of the Orca Basin and East Flower Garden, Gulf of Mexico. Other measurements indicative of growth and respiration suggested that the microbial community in the brines was inactive, but somehow the ATP associated with the cells persisted. Conceivably, when cells growing just above the interface sank into the brine, the increa...
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ژورنال
عنوان ژورنال: Library Trends
سال: 2005
ISSN: 1559-0682
DOI: 10.1353/lib.2006.0006