Natural language understanding

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This article may require cleanup to meet Wikipedia's quality standards. Please improve this article if you can. (December 2007)

Natural language understanding (NLU) is a key component in a dialog system. particularly in a spoken dialog system. It uses Natural language processing techniques.

Steps of NLU:

• General Natural language processing
  • Named Entity identification
  • part of speech tagging
  • Parsing
• Semantic slot extraction
• Dialog act identification

[edit] Approaches

• Rule-based
• Learning based