Query Manipulation Server 25.4
Query Manipulation Server Help

# Use Boost Rules in Queries

QMS does not apply boost rules by default. You must enable them in individual queries to QMS.

To use boost rules in your query

- Send queries with the ExpandQuery parameter set to `True`.

  NOTE: The query must have a `FieldText` parameter to match boost rules. This `FieldText` can use only the `MATCH` and `EQUAL` field operators.

For example:

    action=Query&Text=phone&FieldText=MATCH{UK}:place&ExpandQuery=True

This query searches for boost rules that match the word phone, and that contain the `FieldText` expression `MATCH{UK}:place`. QMS then adds the additional FieldText from the rule to the query to the Content component.

NOTE: This query also searches for synonymous terms.

If your boost rules contain a `DATABASERESTRICTION` field, set the SynonymDatabaseMatch parameter to `True` to apply the restriction. By default, QMS does not apply the database restriction.

Related Topics

- Create Boost Rules
- Create Query Manipulation Server Rules
- Synonyms, Hyponyms, and Hypernyms

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Query Manipulation Server 25.4

Topic Title: Use Boost Rules in Queries