IDOL Content Component 23.2

# Cluster Results

If you perform a Query, Suggest, or SuggestOnText query, you can set Cluster to `True` in the action to cluster the results that the query produces.

The IDOL Content componentreturns an `<autn:cluster>` field for each result that contains the ID of the cluster into which the result has been grouped. ID 1 is given to the cluster that forms around the most relevant result document. After this cluster forms, the cluster with the ID 2 forms around the most relevant of the remaining results, and so on.

The ClusterThreshold parameter in the IDOL Content component configuration file sets the percentage relevance that results must have to each other to group them in one cluster.

For example:

    action=Query&Text=cats&Cluster=True

The IDOL Content component clusters the results of the query above, and returns the ID of the cluster that each result belongs to in an `<autn:cluster>` field:

    <autn:hit>
        <autn:reference>http://example.wikipedia.org/wiki/Big Cat Rescue</autn:reference>
        <autn:id>595644</autn:id>
        <autn:section>0</autn:section>
        <autn:weight>88.04</autn:weight>
        <autn:cluster>1</autn:cluster>
        <autn:clustertitle>Big Cat Rescue, Easy Street</autn:clustertitle>
        <autn:links>CAT</autn:links>
        <autn:database>Wikipedia</autn:database>
        <autn:title>Big Cat Rescue</autn:title>
    </autn:hit>
    <autn:hit>
        <autn:reference>http://example.wikipedia.org/wiki/The Cat in the Hat</autn:reference>
        <autn:id>229422</autn:id>
        <autn:section>1</autn:section>
        <autn:weight>86.93</autn:weight>
        <autn:cluster>2</autn:cluster>
        <autn:clustertitle>Allan, ballad, Hat, Krinklebine</autn:clustertitle>
        <autn:links>CAT</autn:links>
        <autn:database>Wikipedia</autn:database>
        <autn:title>The Cat in the Hat</autn:title>
    </autn:hit>
    <autn:hit>
        <autn:reference>http://example.wikipedia.org/wiki/The Cat in the Hat</autn:reference>
        <autn:id>229421</autn:id>
        <autn:section>0</autn:section>
        <autn:weight>86.93</autn:weight>
        <autn:cluster>3</autn:cluster>
        <autn:clustertitle>sight vocabulary, Cat, Hat, Seuss</autn:clustertitle>
        <autn:links>CAT</autn:links>
        <autn:database>Wikipedia</autn:database>
        <autn:title>The Cat in the Hat</autn:title>
    </autn:hit>
    <autn:hit>
        <autn:reference>http://example.wikipedia.org/wiki/Cat</autn:reference>
        <autn:id>56711</autn:id>
        <autn:section>18</autn:section>
        <autn:weight>86.93</autn:weight>
        <autn:cluster>4</autn:cluster>
        <autn:clustertitle>breeds Polydactyl cat, Halloween, List, pets</autn:clustertitle>
        <autn:links>CAT</autn:links>
        <autn:database>Wikipedia</autn:database>
        <autn:title>Cat</autn:title>
    </autn:hit>

Copyright 2023 Open Text
Version 23.2 | Last updated March 2023

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Product: IDOL IDOL Content Component 23.2

Topic Title: Cluster Results