Amazon Comprehend (Sentiment)

This node performs sentiment analysis on text by utilizing the Amazon Comprehend service. Amazon Comprehend is a natural language processing (NLP) service that uses machine learning to discover insights from text. The Comprehend service returns a column containing the sentiment of the input text and also provides a confidence score sentiment (POSITIVE, NEGATIVE, MIXED and NEUTRAL).

For more information about AWS Comprehend can be found on this website.

Options

General options

Text column: The input column containing the text or documents to analyze for sentiment.
Source language: Select the language of the incoming text.

Input Ports

: The AWS connection information.
: The input table containing the text on which perform sentiment analysis.

Output Ports

: An output table containing the sentiment of each input text and a confidence score.

Views

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Workflows

Developers

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Installation

To use this node in KNIME, install the extension KNIME Amazon Machine Learning Integration 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.v202510301129

On NodePit since: 2025-12-11

Last update: 2026-01-13

Tags: Streamable

KNIME versions: Since v4.0

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