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Why is stopword removal used in natural language processing (NLP) preprocessing?

publish date: 2025/09/18 20:45:9.595541 UTC

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Stopwords add important meaning to a text

It helps remove uncommon words to focus only on frequently used terms

Stopwords are removed to reduce text length to speed up processing

Removing stopwords like the and is helps improve efficiency without losing essential meaning

Correct Answer

Explanation

Stopword removal eliminates words that have little meaning. Uncommon words are often more informative than stopwords, so NLP will often focus more on them. Stopwords are not removed to reduce text length.

Reference

AWS Certified AI Practitioner (AIF-C01) Study Guide, Tom Taulli

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