Coder Trainee

Oct 3, 2026 · Artificial Intelligence

Query Optimization for RAG: Rewriting, Expanding, Resolving, and Decomposing User Queries

This article details four query optimization strategies—rewrite, expansion, resolution, and decomposition—with code examples and benchmarks showing how each step improves retrieval recall from 62% to 87% and accuracy from 55% to 88% in a RAG pipeline.