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DB2 Net Search Extender Administration and User's Guide

Element parameters

These are the parameters of the document model elements:

name
You assign a name to the text field or document attribute for each definition. The names enable you to restrict a search query to the content of a specific text field or document attribute. Using the above examples, you could search for documents containing the word structure in the text field named Abstract.

start
A boundary string in code page UTF-8 that marks the beginning of the text field or document attribute. There are no rules for specifying boundary strings; they can be any arbitrary UTF-8 string. Here are some examples: start="introduction:", start="note!", start="$$...".

Nonprintable characters and the special XML characters "<" and "&" must be specified using the standard XML escape character ("&lt;" for "<", and "&amp;" for "&").

end
Optional. A boundary string in code page UTF-8 that marks the end of the text field or document attribute. If you do not specify an end tag, the next found start tag is assumed to be the end of the field. If no subsequent start tag is found, the field extends to the end of the document, and no further fields are identified.

type
The type of document attribute must always be "NUMBER". The parameter does not apply to field definitions.

exclude
YES or NO. A parameter that determines whether the text in a field should be excluded and not indexed. This parameter does not apply to attribute definitions. In the example, the field definition "head" would be excluded, but definition "abstract" included.

Restrictions:

For information on the Document Type Definitions, see DTD for document models.

For additional restrictions, see Limitations for text fields and document attributes.


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