Prepare a document corpus for a RAG assistant
Choose documents, versions, access rights and answer evidence before connecting an assistant to documents.
Read the practical method →DGE · Guide RAG
Practical guide to the use cases, prerequisites, costs and technical choices involved in a retrieval-augmented generation project.
Resource identity and purpose checked against the source on . This check does not verify all service conditions or individual data records.
Use this resource for a specific task.
Data and artificial intelligence · France
Open the original resourceWhen it helps
Assess requirements for retrieval-augmented document search before choosing an architecture.
How to start
Start with a business question and authorised documents. Use the guide as an entry point for preparing the corpus, passage retrieval, evaluation and maintenance costs.
Limits to keep in mind
RAG does not guarantee every answer is correct or that a retrieved passage is sufficient.
Check before using
Three points to record with the decision.
- 01
Question and useful sources.
- 02
Authorised documents and versions.
- 03
Evaluation cases with cited evidence.
A method and complementary resources.
Source and verification
DGE · Guide RAG — primary source. Link checked . The checklist is editorial guidance; link availability does not guarantee completeness or suitability.
Read the editorial method · Report a correction with its source