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ML Academy

RAG and agents

Interview question

  • midlevel
  • 8 minsuggested time
  • 2Applied AI, ML engineer

Your vector search works well for natural-language questions but fails on queries like "fare basis YLOWTR" or "error code E-4012". Why, and what would you change?

Tests: Lexical vs dense retrieval strengths, hybrid search, score fusion (for example reciprocal rank fusion), and evaluating retrieval by query type.

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