Year (metadata)
Encyclopedia
In metadata
Metadata
The term metadata is an ambiguous term which is used for two fundamentally different concepts . Although the expression "data about data" is often used, it does not apply to both in the same way. Structural metadata, the design and specification of data structures, cannot be about data, because at...

, year is a representation term
Representation term
A representation term is a word, or a combination of words, that semantically represent the data type of a data element. A representation term is commonly referred to as a class word by those familiar with data dictionaries...

 used to specify a year in the Gregorian
Gregorian calendar
The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

 calendar systems.

Example in XML

If a vehicle has a model year the XML data element may be:

2006

In the above example the Vehicle is the object, the Model is the property and Year is the representation term.

Note that Year should not be confused with the Date
Date (metadata)
In metadata, the term date is a representation term used to specify a calendar date in the Gregorian calendar. Many data representation standards such as XML, XML Schema, Web Ontology Language specify that ISO date format ISO 8601 should be used....

 representation term which requires that the month and the day also be supplied.

The representation term is used for semantic identification of a data element
Data element
In metadata, the term data element is an atomic unit of data that has precise meaning or precise semantics. A data element has:# An identification such as a data element name# A clear data element definition# One or more representation terms...

s and does not dictate if the data type used in a database should use a string or an integer structure. This is implementtion dependent.

See also

  • metadata
    Metadata
    The term metadata is an ambiguous term which is used for two fundamentally different concepts . Although the expression "data about data" is often used, it does not apply to both in the same way. Structural metadata, the design and specification of data structures, cannot be about data, because at...

  • ISO/IEC 11179
    ISO/IEC 11179
    ISO/IEC 11179 is an international standard for representing metadata for an organization in a metadata registry.- Intended purpose :...

  • Representation term
    Representation term
    A representation term is a word, or a combination of words, that semantically represent the data type of a data element. A representation term is commonly referred to as a class word by those familiar with data dictionaries...

  • ISO 8601
    ISO 8601
    ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date and time-related data. It was issued by the International Organization for Standardization and was first published in 1988...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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