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TF-IDF Similarity

Palladian for KNIME version 2.3.0.202009251618 by palladian.ws; Philipp Katz, Klemens Muthmann, David Urbansky

Calculates the similarity between two strings based on their tf—idf weighted vectors using the cosine similarity.

Input Ports

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Table which contains a document corpus used for calculating the idf values. This can be created using the “Corpus Creator” node.
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Table which contains two columns with strings to compare to each other.

Output Ports

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Table with an appended column holding the similarity between the strings for each row.

Best Friends (Incoming)

Best Friends (Outgoing)

Installation

To use this node in KNIME, install Palladian for KNIME from the following update site:

KNIME 4.2

A zipped version of the software site can be downloaded here. Read our FAQs to get instructions about how to install nodes from a zipped update site.

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Developers

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