Main topic of this book
A Primer on Search Relevance
How search engines find and rank results, and how to measure whether a change helps: lexical, semantic and hybrid retrieval, reranking with learned models and LLMs, and judgments from people and LLMs, on a real product catalog.
Edition 2026.10.1 · Examples passed Oct 18, 2026 · 132 of 132 examples pass