Metadata 100 Success Secrets 100 Most asked questions on Meta Data How-To Management, Repositories, Software, Standards, Tools and Databases
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Описание:
Metadata (meta data, or sometimes metainformation) is "data about data", of any sort in any media. An item of metadata may describe an individual datum, or content item, or a collection of data including multiple content items and hierarchical levels, for example a database schema. Metadata provides context for data. Metadata is used to facilitate the understanding, characteristics, and management usage of data. The metadata required for effective data management varies with the type of data and context of use. In a library, where the data is the content of the titles stocked, metadata about a title would typically include a description of the content, the author, the publication date and the physical location. In order to build or buya metadata solution, a full set of metadata requirements need to exist. These requirements are not what you find documented in the average data warehouse reporting tool - they are much more. This book explains what else needs to be considered,...Похожие книги
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