Porter Stemmer

Stems terms contained in the input documents with the Porter stemmer algorithm, thereby terms will be reduced to their stem. The Porter Stemming algorithm works for English texts only.

Options

Preprocessing options

Document column: The column containing the documents to preprocess.
Replace documents: If checked, the documents will be replaced by the new preprocessed documents. Otherwise the preprocessed documents will be appended as new column.
Append column: The name of the new appended column, containing the preprocessed documents.
Ignore unmodifiable tag: If checked, unmodifiable terms will be preprocessed too.

Input Ports

: The input table which contains the documents to preprocess.

Output Ports

: The output table which contains the preprocessed documents.

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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:

v5.3

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

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.3.2.v202409040940

On NodePit since: 2024-07-09

Last update: 2024-11-15

Tags: Streamable

KNIME versions: Since v3.6

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