Query Fan-Out

Query Fan-Out for Commerce: The Hidden Retrieval Layer

A shopper types "what's the best stroller for a 6-month-old who fits in a small SUV trunk." That single sentence does not get answered by one search. Behind the scenes, the AI assistant decomposes it into eight to twelve sub-queries, runs them in parallel, scores the passages it gets back, and assembles an answer. Most product pages are tuned for the original query and invisible to the sub-queries that actually do the work. TL;DR: Query fan-out is the technique that AI search engines us