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MARC 21 is a result of the combination of the United States and Canadian MARC formats (USMARC and CAN/MARC). MARC 21 is based on the NISO / ANSI standard Z39.2 , which allows users of different software products to communicate with each other and to exchange data.
The Metadata Encoding and Transmission Standard (METS) is a metadata standard for encoding descriptive, administrative, and structural metadata regarding objects within a digital library, expressed using the XML schema language of the World Wide Web Consortium (W3C).
Metadata is often defined as data about data. [2] [3] [4] It is “structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use or manage an information resource”, especially in a distributed network environment like for example the internet or an organization. [5]
This was one of the first standards for information technology, and called Information Interchange Format. The 1981 version of the standard was titled Documentation—Format for bibliographic information interchange on magnetic tape. [3] The latest edition of that standard is ANSI/NISO Z39.2-1994 (R2016) [4] (ISSN 1041-5653).
As an XML schema it is intended to be able to carry selected data from existing MARC 21 records as well as to enable the creation of original resource description records. It includes a subset of MARC fields and uses language-based tags rather than numeric ones, in some cases regrouping elements from the MARC 21 bibliographic format.
The MARC-8 charset is a MARC standard used in MARC-21 library records. [1] The MARC formats are standards for the representation and communication of bibliographic and related information in machine-readable form, and they are frequently used in library database systems .
The passing of Marc Stad's mentor prompted him to reflect on the key lessons he has gained over nearly two decades.
DACS specifies only the type of content, not the structural or encoding requirements or the actual verbiage to be used; it is therefore suitable for use in conjunction with structural and encoding standards, such as MARC and EAD, and with controlled vocabularies such as Medical Subject Headings, Library of Congress Subject Headings, Art ...