20260706:新增一些文章
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concepts/human-implicit-reward-signals.md
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title: "人类隐式奖励信号(Human Implicit Reward Signals)"
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created: 2026-07-02
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updated: 2026-07-02
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type: concept
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tags: [user-feedback, reward-signal, annotation, coding-agent]
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sources:
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- "[[verification-horizon-no-silver-bullet]]"
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---
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# 人类隐式奖励信号(HIRS)
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从用户-Agent 交互轨迹中提取的隐式评估信号——用户通常不提供显式数值奖励,而是通过自然语言和行为模式间接表达验证判断。
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## 信号特征
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基于 Qwen Team 标注的 125,528 条轨迹、535,737 轮级别标注:
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| 特征 | 数据 |
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|------|------|
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| Polarity 分布 | Neutral 76.6% / Negative 20.0% / Positive 3.5% |
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| 负信号置信度 | 81.8% high-confidence(vs neutral 仅 18.7%) |
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| 主要错误类型 | Execution Error 56.6% + Misunderstand 21.1% = 77.7% |
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## 标注 Pipeline
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LLM-as-Judge(Qwen-Plus),三个原则:
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1. **双视角评估**:同时记录 polarity + user_fairness(两者允许不一致)
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2. **证据驱动**:每个标注必须引用用户原文作为证据
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3. **保守标注**:模糊信号倾向 neutral
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## 与验证器的关系
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用户是最忠实的验证器:信号直接来自意图持有者,天然 faithful + 相对 robust。挑战在于 scalability——需大规模用户基数才能产生足够训练数据。
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## 参考
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- [[verification-horizon-no-silver-bullet|论文原文]]
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- [[span-kto|Span-KTO]]
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- [[verification-trilemma|验证三难]]
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