juniorNLP

What is POS tagging?

Updated May 17, 2026

Short answer

POS tagging assigns parts of speech like noun, verb, adjective to words.

Deep explanation

Part-of-speech tagging is a process where each token is labeled based on its grammatical role. Models include rule-based, statistical, and neural taggers.

Real-world example

Voice assistants use POS tagging to understand sentence structure.

Common mistakes

  • Ignoring ambiguity in words like 'book' (noun/verb).

Follow-up questions

  • What models are used for POS tagging?
  • Why is POS tagging important?

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