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Definition

Fan-out query

A fan-out query is a sub-query generated or implied by an AI answer system to ground a broader user question.

CollectionDefinition
TypeDefinition
Version1.0
Stabilization2026-05-13
Published2026-05-13
Updated2026-05-13

Fan-out query

A fan-out query is a sub-query generated, inferred or required by an AI-mediated answer system to ground a broader user question.

The selected citations may come from sources that rank for adjacent questions rather than only for the visible query. Fan-out therefore belongs to retrieval architecture and source hierarchy, not only keyword expansion.