Query fan-out

쿼리 팬아웃

Break a complex question into smaller searches, then combine their findings.

···
html
<div class="scene fan"><div class="panel question">Which desk lamp suits a tiny room?</div><div class="branches"><span>PRICE</span><span>SIZE</span><span>LIGHT</span></div><div class="mini"><div>Under budget</div><div>Compact base</div><div>Warm beam</div></div><div class="panel synthesis">COMBINED ANSWER <b>Compact + warm + affordable</b></div></div>
css
.scene{width:min(92%,680px);max-height:94%;font:700 clamp(10px,max(1.7vmin,1vw),15px)/1.3 sans-serif;color:var(--fg)}.label{font:900 clamp(10px,max(1.3vmin,1vw),12px)/1 sans-serif;letter-spacing:.12em;color:var(--accent)}.panel{background:var(--surface);border:1px solid var(--line);padding:clamp(8px,2vmin,18px)}.muted{color:var(--muted)}.accent{color:var(--accent)}.row{display:flex;align-items:center;gap:clamp(5px,1.2vmin,10px)}.pill{display:inline-block;padding:.35em .6em;border:1px solid var(--line);border-radius:30px}button{cursor:pointer;font:inherit}@media(min-width:700px){.scene{transform:scale(1.5)}}.fan{text-align:center}.question{border-color:var(--accent);font-size:clamp(10px,max(2vmin,1vw),18px)}.branches{display:flex;justify-content:space-around;margin:clamp(6px,2vmin,18px) 0;color:var(--accent);font-size:clamp(10px,max(1.4vmin,1vw),12px)}.branches span{width:30%;border-top:2px solid var(--accent);padding-top:5px;animation:branch 4s infinite}.branches span:nth-child(2){animation-delay:.3s}.branches span:nth-child(3){animation-delay:.6s}.mini{display:flex;gap:5px}.mini div{flex:1;background:var(--surface);border:1px solid var(--line);padding:clamp(6px,1.5vmin,13px);font-size:clamp(10px,max(1.3vmin,1vw),12px)}.synthesis{margin-top:clamp(7px,2vmin,18px);color:var(--accent);font-size:clamp(10px,max(1.4vmin,1vw),12px);animation:branch 4s 1s infinite}.synthesis b{display:block;color:var(--fg);font-size:clamp(11px,max(2.2vmin,1vw),18px)}@keyframes branch{0%,12%{opacity:.3;transform:translateY(-5px)}35%,88%{opacity:1;transform:none}100%{opacity:.3}}

Query fan-out breaks a complex question into smaller tasks such as price, use case, and constraints. AI search can investigate each part and synthesize a response.

The demo branches one question into three paths and reunites their findings in a comparison card. A single page need not answer every subquestion.

Audit strengths and gaps by subquestion. Do not present an inferred internal search sequence as a guaranteed process.

When to use

Use it when planning a content set for complex comparison questions.

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