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Excalidraw Data

Text Elements

RAG Pipeline with Re-ranking

User Query

Query Transformation (Optional)

HyDE, Multi-Query, Query Expansion

Stage 1: Initial Retrieval

Fast, High Recall

Hybrid Search: BM25 + Dense Vectors

~100 candidates

Stage 2: RE-RANKING

Cross-Encoder Re-scoring

Slow, High Precision

← YOU ARE HERE

top-K reordered

Context Assembly

Chunk & format top-K for prompt

LLM Generation

Answer question using reranked context

Final Answer