Category to Class

This node allows you to add a class (string) column to each row containing a document cell. The value of the class is the document's category as string. If no category is defined, the class value will be set to "undefined". If more than one category is defined, the first category (of the list of alphabetically ordered categories is used as class value. If the input data table contains no document cells the node can not be executed.

Input Ports

: An input data table containing document cells.

Output Ports

: An output table containing the input data with an additional class column.

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Installation

To use this node in KNIME, install the extension KNIME Textprocessing from the below update site following our NodePit Product and Node Installation Guide:

v5.9

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.9.0.v202511181600

On NodePit since: 2025-12-11

Last update: 2026-01-11

KNIME versions: Since v3.6

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