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分类依据与纠错

AI 根据所提供的论文材料归类:摘要核心是通用强化学习与跨群体迁移,非平稳性本身不足以归入宏观结构变化。

反馈分类问题

正在核对关联版本…

代码、数据与补充材料

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关注这篇论文的作者
Jinhang Chai
Elynn Chen
Jianqing Fan

离线非平稳强化学习中的深度迁移 Q 学习

研究问题
目标群体轨迹有限时,如何从其他群体迁移信息,在非平稳有限期马尔可夫决策过程中改善离线强化学习?
方法与思路
作者通过重加权目标化程序构造可迁移强化学习样本,结合神经网络与逆向递推,并区分转移密度能否迁移的情形。
材料陈述的贡献
摘要称朴素样本合并在该场景失效,所提深度迁移 Q 学习具有理论保证,并在合成和真实数据实验中展示优势。
阅读关注点
应核对奖励可迁移假设、转移密度处理、源与目标数据的覆盖关系,以及重加权误差如何影响价值学习与策略表现。
阅读边界
所给版本为 arXiv 预印本,不能据此认定已同行评审或被期刊接收;摘要未列完整理论条件及实验收益数值。

原文摘要

In dynamic decision-making scenarios across business and healthcare, leveraging sample trajectories from diverse populations can significantly enhance reinforcement learning (RL) performance for specific target populations, especially when sample sizes are limited. While existing transfer learning methods primarily focus on linear regression settings, they lack direct applicability to reinforcement learning algorithms. This paper pioneers the study of transfer learning for dynamic decision scenarios modeled by non-stationary finite-horizon Markov decision processes, utilizing neural networks as powerful function approximators and backward inductive learning. We demonstrate that naive sample pooling strategies, effective in regression settings, fail in Markov decision processes.To address this challenge, we introduce a novel ``re-weighted targeting procedure'' to construct ``transferable RL samples'' and propose ``transfer deep $Q^*$-learning'', enabling neural network approximation with theoretical guarantees. We assume that the reward functions are transferable and deal with both situations in which the transition densities are transferable or nontransferable. Our analytical techniques for transfer learning in neural network approximation and transition density transfers have broader implications, extending to supervised transfer learning with neural networks and domain shift scenarios. Empirical experiments on both synthetic and real datasets corroborate the advantages of our method, showcasing its potential for improving decision-making through strategically constructing transferable RL samples in non-stationary reinforcement learning contexts.

笔记与分组
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