3.1.5 Classification elements
Classification elements support managing metadata. Those
in the Subject Scheme map are used to define controlled values, and
to bind them to DITA attributes as enumerations. Those declared in
the classification domain are used in other maps to classify content
according to the scheme.
- 126.96.36.199 Subject scheme maps
A subject scheme map is used to define sets of controlled values for use in classifying content. Sets of controlled values can be bound to DITA attributes. This allows DITA users to share the controlled values for an information set without having to modify a DTD or XML schema. The list of available values can be modified quickly to adapt to new situations, without the need to manage updates to a document type. In addition, DITA users can define relationships between controlled values and extend a set of controlled values maintained by another team or organization. The list of defined values are not validated by basic XML parsers. Instead, the defined values should be validated by DITA processors.
- 188.8.131.52 Classification domain elements
The classification domain elements are used to identify the subject matter of content that is referenced in a map. These subjects must be subjects defined in a subject scheme map. In particular, this allows an author to classify content in new subject categories that are not bound to existing metadata attributes.
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DITA v1.2 CD 03
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