Retrieval is a knowledge-governance problem
International Business Machines (IBM) Research has published a clear explanation of retrieval-augmented generation, an approach that gives a large language model access to external sources at the time of a request. Instead of relying only on patterns encoded during training, the system retrieves relevant material and uses it to generate a more current, domain-specific, and potentially verifiable answer.
Retrieval-augmented generation (RAG) is a promising architecture. It is not a substitute for governing the knowledge being retrieved.