Metadata is "data that provides information about other data", but not the content of the data, such as the text of a message or the image itself.
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26 Facts About Metadata
2.
Metadata is not strictly bounded to one of these categories, as it can describe a piece of data in many other ways.
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3.
Metadata allows users to access resources by "allowing resources to be found by relevant criteria, identifying resources, bringing similar resources together, distinguishing dissimilar resources, and giving location information".
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4.
Metadata was traditionally used in the card catalogs of libraries until the 1980s when libraries converted their catalog data to digital databases.
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5.
Metadata is defined as the data providing information about one or more aspects of the data; it is used to summarize basic information about data that can make tracking and working with specific data easier.
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6.
Metadata syntax refers to the rules created to structure the fields or elements of metadata.
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7.
Metadata schemata are often 2 dimensional, or planar, where each element is completely discrete from other elements but classified according to 2 orthogonal dimensions.
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8.
The original set of 15 classic metadata terms, known as the Dublin Core Metadata Element Set are endorsed in the following standards documents:.
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9.
Metadata can be used to make organizing in post-production easier with the use of key-wording.
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10.
Metadata is particularly useful in video, where information about its contents is not directly understandable by a computer, but where an efficient search of the content is desirable.
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11.
Metadata is used in GIS to document the characteristics and attributes of geographic data, such as database files and data that is developed within a GIS.
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12.
Metadata can be created either by automated information processing or by manual work.
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13.
Metadata engine collects, stores and analyzes information about data and metadata in use within a domain.
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14.
Metadata is used in data virtualization servers which are enterprise infrastructure components, alongside database and application servers.
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15.
Metadata has been used in various ways as a means of cataloging items in libraries in both digital and analog formats.
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16.
Metadata is obtained by cataloging resources such as books, periodicals, DVDs, web pages or digital images.
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17.
Metadata is developed and applied within collecting institutions and museums in order to:.
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18.
Metadata structures, including controlled vocabularies, reflect the ontologies of the systems from which they were created.
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19.
Metadata has been instrumental in the creation of digital information systems and archives within museums and has made it easier for museums to publish digital content online.
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20.
Metadata is an important tool in how data is stored in data warehouses.
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21.
Metadata that describes geographic objects in electronic storage or format has a history dating back to at least 1994 (refer to the MIT Library page on FGDC Metadata).
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22.
Metadata should be generated in a format commonly used by the most relevant science community, such as Darwin Core, Ecological Metadata Language, or Dublin Core.
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23.
Metadata should describe the provenance of the data and how to give credit for (cite) the data products.
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24.
Metadata can be used to name, describe, catalog, and indicate ownership or copyright for a digital audio file, and its presence makes it much easier to locate a specific audio file within a group, typically through use of a search engine that accesses the metadata.
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25.
Metadata can be stored either internally, in the same file or structure as the data, or externally, in a separate file or field from the described data.
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26.
Metadata can be stored in either human-readable or binary form.
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