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arXiv 2005.10131cs.AI
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将专家的因果判断与可能不同的重点领域相结合

Combining the Causal Judgments of Experts with Possibly Different Focus Areas

Cornell University(康奈尔大学)

Meir Friedenberg, Joseph Y. Halpern

摘要:

在许多现实世界中,决策者必须结合不同专家提供的信息,以决定一个有效的政策。Alrajeh,Chockler和Halpern [2018]展示了如何组合兼容的因果模型,对于两个模型中出现的变量,专家们同意因果结构。在这项工作中,我们展示了因果模型如何结合在专家可能不同意的情况下,由于具有不同的重点领域出现在两个模型中的变量的因果结构。我们提供了一个新的正式定义的兼容性模型在这种情况下,并显示如何兼容的模型可以结合起来。我们还考虑了确定模型是否兼容的复杂性。我们相信,在这项工作中定义的概念是直接相关的许多实际的决策方案,出现在自然,社会和医学科学设置。

英文摘要:

In many real-world settings, a decision-maker must combine information provided by different experts in order to decide on an effective policy. Alrajeh, Chockler, and Halpern [2018] showed how to combine causal models that are compatible in the sense that, for variables that appear in both models, the experts agree on the causal structure. In this work we show how causal models can be combined in cases where the experts might disagree on the causal structure for variables that appear in both models due to having different focus areas. We provide a new formal definition of compatibility of models in this setting and show how compatible models can be combined. We also consider the complexity of determining whether models are compatible. We believe that the notions defined in this work are of direct relevance to many practical decision making scenarios that come up in natural, social, and medical science settings.

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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