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  "title": "HyperWorld:拆开,泛化掉31分",
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        "paper_id": "skild_blog_introducing_s1_in_context_learning_20260817_2026_08",
        "title": "S1:机器人的GPT-3涌现时刻",
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        "summary": "模型规模越大,结构化输入的优势越被稀释(3B下二元组能追平甚至反超超边);训练数据只有10%时,四种表示方式在分布外表现都差不多,结构优势要等数据量到25%以上才明显显现 validates 预训练规模收敛泛化差距：82→10→8→4→0pp，域外14%→100%",
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        "summary": "不代表结构化输入在任何数据量下都有用——训练数据只有10%时,四种序列化方式在分布外表现都差不多,结构上的优势在极端小数据场景下不成立 contradicts 关键的反向趋势:分解法在 1–10 条时快速起量但 50 条附近见顶,单体 BC 在 10–50 区间加速追赶",
        "strength": "medium"
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        "title": "PRISM:规模能否替代显式建模?",
        "url": "https://haiguangboy.com/posts/prism_precision_and_contact_rich_real_world_industrial_skill_dataset_with_multim",
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        "url": "https://haiguangboy.com/posts/joyai-ra-dual-alignment",
        "relation": "same_track",
        "summary": "把学到的世界模型接入一个简单贪心规划器,在30局未见过的真实游戏上测:超边世界模型规划成功率76.7%,远超二元组(56.7%)和句子(53.3%),平均步数也更少 validates 世界模型消融:有无 WM 均分 48.4 对 51.5;换成潜在动作条件版(LAC-WM)后从 87.3 提到 92.1",
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        "title": "把RGB、3D几何、物体语义揉进同一个表征——这才是它比π0.5、Fast-WAM更准的根本原因",
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        "relation": "same_track",
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    "text": "\"结构/方法的优势需要一个数据量门槛才会显现\"这条判断，这次在HyperWorld身上又被验证了一遍——和之前解读过的几篇工作方向一致：Skild自己承认ICL在小数据量区间反而不如传统微调；FLEX-π自称依然\"很吃数据\"；PRISM的预训练收益要在全量数据上才明显。语言模型、机器人操作、文本世界模型，三个差异很大的领域，反复得出同一个模式：不是\"结构好就一定赢\"，是\"数据攒够之后，结构好的方案才能把优势兑现出来\"。另外这篇有个值得记的态度——作者没有把超边包装成全面最优，老老实实报告了它在3B分布内、单纯可行性判定上都不是最强，这种克制比很多\"全胜叙事\"的论文更值得信任。"
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