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Glossary term

Stage 3 · Retrieve

Query fan-out

Query fan-out is when an AI engine splits one user question into several related searches, then combines the results into a single answer.

A question like “best linen duvet for hot sleepers” may become searches about linen's breathability, specific brands, reviews and prices. A brand can be found through any of them, which is why specific product facts and broad coverage both help.

Best linen duvet for hot sleepers?
  • is linen breathable
  • linen duvet brands Canada
  • linen duvet reviews
One answer, three brands named
Example: one question, three searches

Where it fits

From a crawl to an answer

  1. 1 · CrawlAI crawlers fetch your pages
  2. 2 · ReadEngines extract the facts
  3. 3 · RetrieveThey search at question time
  4. 4 · AnswerBrands are named and cited
  5. 5 · VisitShoppers click or remember

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