Related Terms

Required Settings

For the Related Terms Extractor you must specify:


Setting	Description
Allow list	Sends the specified expression to the dictionary as a possible related term.
Block list	Blocks the specified expression from displaying as a related term in the Refinements panel.
Related terms min. span	The minimum number of words (excluding stop words) in a generated related term. This parameter is used only when Extract new related terms is enabled. The default is `2`.
Related terms max. span	The maximum number of words (excluding stop words) in a generated related term. This parameter is used only when Extract new related terms is enabled. The default is `3`.
Max. related terms per doc	The maximum number of related terms per doc; the default is `64`.
Keep longest match	Keeps only the longest match. For example, if you have 5 tokens `('a', 'b', 'c', 'd', 'e')` and 4 related terms`'a', 'a-c', 'b-c-d'` and '`d-e`', this option only keeps 'b-c-d' and removes all other related terms; the default is `true`.

You can also specify these optional settings:

Input from (optional)

a comma-separated list of context names of the document chunks for which this processor is applied.
Additional attributes that do not appear in the Administration Console. For a full list and descriptions, see RelatedTermsSynthesisConfig in the Exalead CloudView XML Configuration Reference Guide.

To set these options, you must do one of the following:
- <DATADIR>/config/analysis.xml, OR
- In the API Console, go to Indexing > setAnalysisConfigList.

For related terms to display on the Refinements panel at search time, they must meet the following criteria:

To configure related terms behavior at search time

In the Administration Console, select Search > Search Logics > Your_Search_Logic > Facets.
Under Related terms (at the bottom), select Enable.
Adjust the options that appear to control which related terms appear in the Refinements panel at search-time.