arXiv — cs.AI preprintsInternational19 October 2026
EKLAV: Elicited Key CoT Learning via Answer only superVision
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arXiv:2607.25182v2 Announce Type: replace-cross Abstract: Reasoning distillation trains a student to reproduce both the teacher's chain-of-thought trace and its final answer. We ask whether the trace is better used as privileged training context than as an imitation target. EKLAV keeps the teacher's reasoning in the input sequence but supervises only the final task answer, applying a task-dependent placement that moves part or all of the trace into the prompt. On BRIGHT passage reranking, EKLAV improves average nDCG@10 at all four tested checkpoints across two model families, winning 41 of 48
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