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arXiv 1701.01048cs.AI
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随机规划与提升推理

Stochastic Planning and Lifted Inference

Tufts University(塔夫茨大学);University of Toronto(多伦多大学)

Roni Khardon, Scott Sanner

摘要:

提升概率推理(Poole,2003)和提升随机规划的符号动态规划(Boutilier et al,2001)是在随机系统中使用抽象的算法努力的同时引入的。多年来,这些想法演变成两个不同的研究路线,每一个都有丰富的文献支持。提升概率推理侧重于在有限域假设下对基于模板的图形模型进行有效的算术运算,而符号动态规划侧重于在丰富的量化逻辑动作模型和开放域推理中支持顺序决策。鉴于它们的共同动机,但不同的重点,这两条研究路线产生了高度互补的创新。在本章中,我们的目标是通过从概率推理的角度概述提升的随机规划来帮助缩小这两个研究领域之间的差距,并显示出与本书其他章节的密切联系。这也使我们能够将广义提升推理定义为一种范式,它统一了这些领域,并阐明了未来研究的开放问题,这些问题可以使提升推理和随机规划受益。

英文摘要:

Lifted probabilistic inference (Poole, 2003) and symbolic dynamic programming for lifted stochastic planning (Boutilier et al, 2001) were introduced around the same time as algorithmic efforts to use abstraction in stochastic systems. Over the years, these ideas evolved into two distinct lines of research, each supported by a rich literature. Lifted probabilistic inference focused on efficient arithmetic operations on template-based graphical models under a finite domain assumption while symbolic dynamic programming focused on supporting sequential decision-making in rich quantified logical action models and on open domain reasoning. Given their common motivation but different focal points, both lines of research have yielded highly complementary innovations. In this chapter, we aim to help close the gap between these two research areas by providing an overview of lifted stochastic planning from the perspective of probabilistic inference, showing strong connections to other chapters in this book. This also allows us to define Generalized Lifted Inference as a paradigm that unifies these areas and elucidates open problems for future research that can benefit both lifted inference and stochastic planning.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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