Unverified50% confidenceSolutionExact time
Common countermeasures for the off-policy problem include importance sampling correction, setting data expiration thresholds, and adopting algorithms such as GRPO.
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50%
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Long-term
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10/11/2026
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Related Claims
UnverifiedIn online policy distillation, old response distributions shift after each policy update, and continued use introduces off-policy bias.64% similarUnverifiedThe strategy of directly rejecting at the history level while issuing warnings and ignoring at the request level balances runtime robustness with data reliability and is a deliberate trade-off design.61% similarUnverifiedThe thresholds for metric gates should be set based on historical baseline data; thresholds that are too wide will let real problems through, while thresholds that are too sensitive will cause frequent false-positive rollback triggers61% similarUnverified离线RL的核心难题是如何避免对数据集未覆盖的状态-动作对产生过于乐观的价值估计（分布外外推问题）59% similar
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