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What is natural language processing (NLP)?

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Quick answer

Natural language processing (NLP) is the field of AI focused on letting computers understand, interpret, and generate human language. It powers translation, chatbots, voice assistants, and search. It bridges human language and computer understanding. Tasks include translation, sentiment analysis, summarization, and question answering.

Key things to understand

  1. It bridges human language and computer understanding.
  2. Tasks include translation, sentiment analysis, summarization, and question answering.
  3. Modern NLP is driven by large language models trained on huge text corpora.
  4. It must handle ambiguity, context, and the messiness of real language.

People also ask

What is NLP used for?
Translation, chatbots, voice assistants, search, spam filtering, sentiment analysis, and summarization.
Is NLP the same as a large language model?
LLMs are the current leading technology for NLP, but NLP is the broader field that predates them.
Why is human language hard for computers?
It's full of ambiguity, context, idioms, and exceptions that don't follow strict rules.

Part of the guide: How AI Works →