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# Perform an Action with the QuerySummary Parameter

To perform an action with the `QuerySummary` parameter, you can add the following parameters to your `Query`, `Suggest`, or `SuggestOnText` action:

`QuerySummary=True` | IDOL Server identifies the most relevant terms and phrases that the query result documents contain, and returns them in an `<autn:querysummary>` field. You can use each term or phrase in this field as an alternative query suggestion.
`Combine=Simple` | If multiple sections in a result document match the query, IDOL Server displays only the section with the highest conceptual similarity (rather than returning different sections of the same result document). This option increases the relevance of the final phrases.
`Print=NoResults` | The purpose of the query is to generate query summaries but not return results at the same time. Printing the results slows IDOL Server performance.
`MaxResults=N` | Enter the number of results from which you want to generate the query summaries. IDOL Server can produce good query summaries only if it has enough result documents available from which it can identify sufficiently different phrases. However, setting `MaxResults` too high might slow the query performance (a sensible value might be 50–500).

For example:

    action=Query&Text=Date&QuerySummary=True&Combine=Simple&Print=NoResults&MaxResults=100

In this example, if you have set `QuerySummaryLength` to `5` in the configuration file, IDOL Server finds the top five phrases or terms in results that match the specified `Text` value, and returns them in a comma-separated list in the `<autn:querysummary>` field:

    <autn:querysummary>Date conversion, rendezvous, stuffed dates, appointment, go steady</autn:querysummary>

It can use each of these terms and phrases as an alternative query.

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