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The Metadata Object Description Schema (MODS) is an XML-based bibliographic description schema developed by the United States Library of Congress' Network Development and Standards Office. MODS was designed as a compromise between the complexity of the MARC format used by libraries and the extreme simplicity of Dublin Core metadata.
A United States data item description (DID) is a completed document defining the data deliverables required of a United States Department of Defense contractor. [1] A DID specifically defines the data content, format, and intended use of the data with a primary objective of achieving standardization objectives by the U.S. Department of Defense.
MARC (machine-readable cataloging) is a standard set of digital formats for the machine-readable description of items catalogued by libraries, such as books, DVDs, and digital resources. Computerized library catalogs and library management software need to structure their catalog records as per an industry-wide standard, which is MARC, so that ...
Metadata Authority Description Schema (MADS) is an XML schema developed by the United States Library of Congress' Network Development and Standards Office that provides an authority element set to complement the Metadata Object Description Schema (MODS).
In 2012, the Library of Congress announced that it had contracted with Zepheira, a data management company, to develop a linked data alternative to MARC. [5] Later that year, the library announced a new model called MARC Resources (MARCR). [6] That November, the library released a more complete draft of the model, renamed BIBFRAME. [1] [nb 1]
On 13 June 2011, the Library of Congress, the National Agricultural Library, and the National Library of Medicine released the results of their testing. [16] The test found that RDA to some degree met most of the goals that the JSC (Joint Steering Committee for Development of RDA) put forth for the new code and failed to meet a few of those goals.
The LC Linked Data Service is an initiative of the Library of Congress that publishes authority data as linked data. [1] It is commonly referred to by its URI: id.loc.gov. [2] The first offering of the LC Linked Data Service was the Library of Congress Subject Headings (LCSH) dataset, which was released in April 2009. [3]
The Library of Congress adds new headings and revisions to LCSH each month. [6] A web service was set up by Ed Summers, a Library of Congress employee, circa April 2008, [7] using SKOS to allow for simple browsing of the subject headings. lcsh.info was shut down by the Library of Congress's order on December 18, 2008. [8] The library science ...