The Ever-Changing Work That is Digital Preservation

Implementing Metadata that Guides Digital Preservation Services

Effective digital preservation depends on a set of preservation services that work together to ensure that digital objects can be preserved for the long-term. These services need digital preservation metadata, in particular, descriptions of the properties that digital objects may have and descriptions of the requirements that guide digital preservation services. This paper analyzes how these se...

The ever-changing landscape of rotavirus serotypes.

Rotavirus is a double-stranded RNA virus that is characterized by substantial genetic diversity. The various serotypes of rotavirus have been determined by the presence of neutralizing epitopes on the outer capsid of the protein shell. At present, 5 rotavirus serotypes (G1, G2, G3, G4, G9) are the predominant circulating strains, accounting for approximately 95% of strains worldwide, although t...

To work or not to work: that is the question.

Medical publications contain numerous references to obstacles or disincentives confronting patients who wish to return to work after illness or injury. Current developments of importance to this aspect of medical practice and four recent studies, conducted in Edinburgh, that may contribute to the continuing debate about how best to deal with such problems are reviewed. The studies concern measu...

Counting the Costs of Digital Preservation: Is Repository Storage Affordable?

The Harvard University Library and the Online Computer Library Center, Inc. (OCLC) each manage centralized repositories optimized for long-term storage of library collections. Both organizations fully recover operational expenses by charging owners annual rates for managed storage services, regardless of materials use. The Harvard Depository assesses rates for analog storage per billable square...

Parasite Diagnostics, an Ever-Changing World