The node uses the "MALLET: A Machine Learning for Language Toolkit." topic modeling library. Note: The current version of MALLET contains a known multi-threading bug that can cause the node to fail with an ArrayIndexOutOfBoundsException. Should you encounter this issue, setting the number of threads to one should solve the problem.
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To use this node in KNIME, install the extension KNIME Textprocessing from the below update site following our NodePit Product and Node Installation Guide:
A zipped version of the software site can be downloaded here.
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