Stop, Verify, and Listen: HALT‑RAG Brings a ‘Reject Option’ to RAG
RAG systems usually fail in a very business-like way: not with drama, but with confident paperwork. The retriever finds something. The generator writes something. The user sees an answer that looks plausible, well formatted, and sufficiently certain to be dangerous. Then someone asks the dull but expensive question: did the answer actually follow from the source? ...