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The World Bank Group Archive is arranged into Fonds (level of description) using EAD XML schemas with metadata for the description or archival content following the ISAD(G) standard. [ 10 ] UNESCO Archives are organized using the AtoM database and adhere to ISAD (G) standard for archival description.
This information is described as metadata by the standard. Begun in 1995, [1] the effort brings together data professionals from around the world to develop the standard. The DDI specification, most often expressed in XML, provides a format for content, exchange, and preservation of questionnaire and data file information. DDI supports the ...
A good example of metadata is the cataloging system found in libraries, which records for example the author, title, subject, and location on the shelf of a resource. Another is software system knowledge extraction of software objects such as data flows, control flows, call maps, architectures, business rules, business terms, and database schemas.
Statistical Data and Metadata eXchange (SDMX) is a set of technical standards designed to describe statistical data and metadata, normalise their exchange, and improve their efficient sharing across statistical and similar organisations. [1]
Because metadata registries are used to store both semantics (the meaning of a data element) and systems-specific constraints (for example the maximum length of a string) it is important to identify what systems impose these constraints and to document them. For example the maximum length of a string should not change the meaning of a data element.
A text document's metadata may contain information about how long the document is, who the author is, when the document was written, and a short summary of the document. Metadata within web pages can also contain descriptions of page content, as well as key words linked to the content. [17]
The ISO/IEC 11179 model is a result of two principles of semantic theory, combined with basic principles of data modelling. The first principle from semantic theory is the thesaurus type relation between wider and more narrow (or specific) concepts, e.g. the wide concept "income" has a relation to the more narrow concept "net income".
Creating XML document instances that express the hierarchical structure of digital library objects. Recording the names and locations of the files that comprise those objects. Recording associated metadata. METS can, therefore, be used as a tool for modeling real world objects, such as particular document types.