Tagged: Reranking

Articles

• Part 4Retrieval & RAG

  BM25 vs Dense vs Hybrid Search: When to Use Each

  How lexical, dense, learned-sparse and late-interaction retrieval fail differently, how to fuse them with RRF, and how to choose on your own traffic.

• Part 5Retrieval & RAG

  Adding a Reranker and Proving It Helped

  How to add a cross-encoder reranker to a RAG pipeline, size it, and prove the gain with paired offline evals, end-to-end checks and a guarded A/B test.