Senior Tony

Aug 15, 2026 · Artificial Intelligence

How We Boosted RAG Recall by 15% with Practical Query Optimization Techniques

The article details how a 15% recall@K improvement was achieved in a RAG system by building an offline test set and applying six concrete query‑optimization methods—including rewrite, HyDE, multi‑query, query splitting, contextual completion, and keyword enhancement—while discussing their trade‑offs and implementation tips.