View Component 25.4
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# Query with Binary Categories

After you train the binary category, you can use the `BinaryCatQuery` action to determine whether a piece of text, a file on disk, or a document in the Content component index results in a “yes” (POSITIVE) or a “no” (NEGATIVE) answer for the question that the binary category asks. For example, your binary category might ask the question “Is this spam?” and could filter emails to ignore spam emails. For details on the `BinaryCatQuery` action, refer to the Category component Reference.

For example:

    http://12.3.4.56:9020/action=BinaryCatQuery&Name=spam_binarycat&QueryText=How to become an instant millionaire

This action uses port `9020` to instruct the Category component, which is located on a machine with the IP address `12.3.4.56`, to check whether the text `How to become an instant millionaire` results in a “POSITIVE” or a “NEGATIVE” result for the question posed by the binary category `spam_binarycat`.

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery View Component 25.4

Topic Title: Query with Binary Categories