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新的PFNs方法分离认知不确定性和随机不确定性,以改进决策

研究人员开发了一种名为Decoupled PFNs的新方法,以更好地区分认知不确定性(模型知识的不确定性)和随机不确定性(数据中的固有噪声)。这对于主动学习和贝叶斯优化等应用至关重要,在这些应用中,优先考虑模型知识是关键。通过训练一个具有分离的潜在信号和噪声头部的解耦网络,该方法旨在提高在嘈杂环境中的决策能力。 AI

影响 通过更好地分离模型不确定性和数据噪声,改进了顺序任务中的决策能力。

排序理由 该集群包含一篇关于新研究方法的arXiv预印本。

在 arXiv stat.ML 阅读 →

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新的PFNs方法分离认知不确定性和随机不确定性,以改进决策

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该集群包含一篇关于新研究方法的arXiv预印本。
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报道来源 [2]

  1. arXiv cs.LG TIER_1 English(EN) · Richard Bergna, Stefan Depeweg, Jos\'e Miguel Hern\'andez-Lobato ·

    解耦PFN:通过结构化合成先验实现可识别的认知不确定性-随机性分解

    arXiv:2605.06413v1 Announce Type: cross Abstract: Prior-Fitted Networks (PFNs) amortize Bayesian prediction by meta-learning over a synthetic task prior, but their standard output is a posterior predictive distribution over noisy observations. For sequential decision-making, such…

  2. arXiv stat.ML TIER_1 English(EN) · José Miguel Hernández-Lobato ·

    解耦PFN:通过结构化合成先验实现可识别的认知不确定性-随机不确定性分解

    Prior-Fitted Networks (PFNs) amortize Bayesian prediction by meta-learning over a synthetic task prior, but their standard output is a posterior predictive distribution over noisy observations. For sequential decision-making, such as active learning and Bayesian optimization, acq…