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Hi All,
Instead of using the Porter stemming algo or one of its variants, is it possible to stem words to their morphological root in RapidMiner?
Thank you.
Hi,
two options you might want to try include two new operators present in the Operator Toolbox extension.
One option includes using the Stem Tokens Using ExampleSet-Operator using a predefined ExampleSet as a source of potential word stems (similar to the Stem (Dictionary) operator, but using an ExampleSet as an input instead of a file). You'll find an example process included as a tutorial.
Another option would be trying to use the Levenshtein Distance. With it you could search for token with a low Levenshtein Distance and choose the shortest of them. You'll find a Generate Levenshtein Distance-Operator in the Operator Toolbox as well.
Best,
Philipp
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