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GEO Glossary

Retrieval-Augmented Generation (RAG)

A technique where an AI model retrieves relevant documents at answer time and generates its response from them — the basis for cited AI answers.

Retrieval-augmented generation (RAG) is a method where, instead of answering purely from memory, an AI system first retrieves relevant documents and then generates its answer from them. It's the architecture behind search-connected assistants that can cite sources.

For GEO, RAG is why third-party presence matters so much: the model's answer is only as good as what it retrieves, so being in the documents it pulls is what gets you mentioned.

Scanning the signal…