Explain stemming and its types?

871    Asked by NakagawaHarada in Data Science , Asked on Jan 5, 2020
Answered by Nakagawa Harada

Stemming is basically a crude method for cataloging related words. In other words, it essentially chops off letters from the end until the stem is reached.

This works fairly well in the English language in most cases but has exceptions where a more sophisticated process is required.

The two most commonly used stemmers in nltk library is

a) Porter Stemmer

b) Snowball Stemmer

From both the stemmers, Snowball stemmer is developed afterwards by the same developer who developed Porter Stemmer which is relatively faster both in logic and speed compared to Porter Stemmer.

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