What is ‘sparse vs dense retrieval’ in RAG and when would you use hybrid search?

AI Automation Specialist Hard

AI Automation Specialist — Hard

What is ‘sparse vs dense retrieval’ in RAG and when would you use hybrid search?

Key points

  • Sparse retrieval uses exact keywords
  • Dense retrieval utilizes embeddings
  • Hybrid search combines both for better coverage
  • Ideal for complex search queries
  • Enhances search accuracy and relevance

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