<keywords>
keywords
contains a list of keywords or phrases identifying the topic or nature of a text.
Module headerHD43
Attributes
Global and inherited attributes:
- @schemeidentifies the controlled vocabulary within which the set of keywords concerned is defined, for example by a taxonomy element, or by some other resource.
- Status
- Optional
- Datatype
- teidata.pointer
Classes and content
- May contain
- Contained by
header
Note
Each individual keyword (including compound subject headings) should be supplied as a term element directly within the keywords element. An alternative usage, in which each term appears within an item inside a list is permitted for backwards compatibility, but is deprecated.
If no control list exists for the keywords used, then no value should be supplied for the @scheme attribute.
Examples
<keywords scheme="http://classificationweb.net">
<term>Babbage, Charles</term>
<term>Mathematicians - Great Britain - Biography</term>
</keywords>
<keywords>
<term>Fermented beverages</term>
<term>Central Andes</term>
<term>Schinus molle</term>
<term>Molle beer</term>
<term>Indigenous peoples</term>
<term>Ethnography</term>
<term>Archaeology</term>
</keywords>
Content model
<content>
<alternate>
<elementRef key="term" minOccurs="1" maxOccurs="unbounded"/>
<elementRef key="list"/>
</alternate>
</content>