Query fan-out
An engine rewriting one user prompt into several internal queries before searching.
What Query fan-out does not show
Optimising for the prompt a person typed ignores the queries the system actually ran, and neither we nor any vendor can observe those directly.
Related terms in Answer engines and retrieval
How a generated answer gets made, and what your page is competing for inside it.
AEO · GEO · AI visibility score · share of voice · prompt set · brand mention · RAG · grounding · training data · embedding · chunking · context window · token · hallucination · refusal · AI Overview · answer engine · citation · retrieval · hallucinated attribution · Hybrid search · Re-ranking · Passage ranking · Chunk boundary · BM25 · cross-encoder · AI Mode · information gain · dense retrieval
Questions about Query fan-out
What is Query fan-out?
An engine rewriting one user prompt into several internal queries before searching.
What does Query fan-out not show or guarantee?
Optimising for the prompt a person typed ignores the queries the system actually ran, and neither we nor any vendor can observe those directly.
Which area of the glossary does Query fan-out belong to?
Answer engines and retrieval: How a generated answer gets made, and what your page is competing for inside it.
← Passage ranking · Chunk boundary →
See it in the full glossary · 772 terms across 19 areas.
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