CounterRefine: Answer-Conditioned Counterevidence Retrieval for Inference-Time Knowledge Repair in Factual Question Answering

In three linesCounterRefine adds a lightweight repair layer for RAG: after an initial answer, the system issues answer-conditioned queries to retrieve candidate-specific counterevidence, then applies a deterministically-validated KEEP/REVISE refinement step. On SimpleQA, improves baseline by up to 5.8 correct-rate points; modifies 5.6% of outputs with 180 beneficial changes versus 8 harmful ones.

Summary generated by Claude — human-verified