Hybrid Search Architecture
Combine keyword, vector, and reranking for high-quality retrieval at scale.
SearchHybridRerank
Data Flow
1 Query 2 Dense retriever 3 Sparse retriever 4 RRF fusion 5 Cross-encoder rerank 6 Top-k context
Implementation Notes
BM25 + vector + rerank reference. Never normalize raw scores across modalities — fuse on rank.