Definition · context memory
retrieval-augmented generation
retrieval-augmented generation is a method that finds outside facts and gives them to a model before it writes. You can spot retrieval-augmented generation in practice when the record shows what the system observes, what choice it makes, and what changes next, without asking the reader to guess or trust a slogan.
157 definitions656 sourced recordsNamed source: ACL Anthology
Why does retrieval-augmented generation matter?
RAG gives the model source text at answer time. The source set and retrieval date shape what it can support. For retrieval-augmented generation, start with three checks: What is kept, and for how long? Who can write or retrieve it? How would bad data be found and removed? The answers should point to visible evidence, not a promise.
What does retrieval-augmented generation look like?
A policy bot fetches the current leave rule before it drafts an answer with a citation. This example makes retrieval-augmented generation visible by naming the actor, the action, and the result in practice. It is an illustration for readers, not a claim that every product behaves this way.
What is retrieval-augmented generation easy to confuse with?
RAG joins retrieval with generation. Memory retrieval brings back stored past context. The closest entries here are procedural memory, semantic memory, RAG-style tool use. Compare their definitions with retrieval-augmented generation before using the names as if they mean the same thing. That comparison keeps retrieval-augmented generation separate from nearby ideas without pretending the boundary is always perfect.
How certain is this definition?
This definition is marked source checked because ACL Anthology supports its main points. The date shows when we last read that source. If you are making a purchase, policy, safety, or design decision, open the source first and make sure its limits fit the decision in front of you.
Who introduced the term retrieval-augmented generation?
The source shows how retrieval-augmented generation is used, but it does not prove who said it first. We name an origin only when a dated, direct record supports it. If that record is missing, we leave the question open instead of repeating a popular story as fact.
What should you understand before retrieval-augmented generation?
Read memory first when retrieval-augmented generation depends on a more basic idea or mechanism. The link gives you a useful route through the glossary. It does not mean every author teaches the subject in this order, so follow the source when the sequence matters.
What should this term help you answer?
Use retrieval-augmented generation to ask what an agent can observe, decide, change, remember, or hand off. The questions below turn the definition into a practical check. They are prompts for your own work, not claims made by the source, so change them to fit the system you are examining.
- What is kept, and for how long?
- Who can write or retrieve it?
- How would bad data be found and removed?
Which source supports this definition of retrieval-augmented generation?
ACL Anthology supports this working definition of retrieval-augmented generation. We checked the link on 2026-07-12. Open the original record for its context, methods, limits, and publication details. The short explanation here is a guide to retrieval-augmented generation; the linked source remains the evidence to inspect when the wording or boundary matters.
direct supportretrieval-augmented generationChecked 2026-07-12→