Glossary · Answer engines and retrieval

refusal

An engine declining to answer. A refusal is not evidence about your site: it is evidence about the engine policy at that moment, and treating it as a site defect inverts cause and effect.

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 · AI Overview · answer engine · citation · retrieval · hallucinated attribution · Hybrid search · Re-ranking · Passage ranking · Query fan-out · Chunk boundary · BM25 · cross-encoder · AI Mode · information gain · dense retrieval

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