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English(EN) Import What You Need: Learning When and How to Augment EHR Graphs with External Knowledge

新的ReTA框架动态地使用外部知识增强电子健康记录图谱

研究人员开发了ReTA,一个新颖的框架,它使用强化学习来动态地使用外部知识图谱增强电子健康记录(EHR)图谱。这种方法允许在每次就诊时进行上下文感知的知识导入,提供三种选项:软导入以丰富节点特征,硬导入以修改图谱拓扑,或者在模型自信时跳过增强。在MIMIC-III和MIMIC-IV数据集上的实验表明,ReTA在诊断、死亡率和再入院等预测任务中始终优于现有方法,并且在不同数据集和知识图谱之间也表现出可迁移性。 AI

影响 这项研究通过实现更智能地利用外部知识,有望提高医疗保健领域预测模型的准确性和效率。

排序理由 这是一篇研究论文,详细介绍了一种用于EHR数据中知识图谱增强的新框架。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.AI 阅读 →

AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →

新的ReTA框架动态地使用外部知识增强电子健康记录图谱

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这是一篇研究论文,详细介绍了一种用于EHR数据中知识图谱增强的新框架。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.AI TIER_1 English(EN) · Chen Chen, Mohsen Nayebi Kerdabadi, Dongjie Wang, Mei Liu, Zijun Yao ·

    按需导入:学习何时以及如何使用外部知识增强EHR图

    arXiv:2609.01839v1 Announce Type: cross Abstract: Longitudinal prediction from electronic health records (EHRs) is limited by the sparsity and irregularity in patient trajectories, and knowledge augmentation with external knowledge graphs (KGs) offers a promising way to alleviate…