What's in a Summary? Laying the Groundwork for Advances in Hospital-Course Summarization.

What's in a Summary? Laying the Groundwork for Advances in Hospital-Course Summarization.
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摘要中有什么?为医院课程总结的进步奠定基础。

DOI:
10.18653/v1/2021.naacl-main.382
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发表时间:
2021-06
期刊:
Proceedings of the conference. Association for Computational Linguistics. North American Chapter. Meeting
影响因子:
--
通讯作者:
Elhadad N
Elhadad N
中科院分区:
其他
文献类型:
--
作者:
Adams G;Alsentzer E;Ketenci M;Zucker J;Elhadad N

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摘要临床叙述是一个长期的研究问题。在这里,我们介绍了医院课程总结的任务。给定患者住院期间撰写的文档,生成一个段落,讲述患者入院的故事。我们构建了一个包含109,000例住院(2M源记录)及其相应摘要代理的英文文本到文本数据集:临床医生撰写的“简短医院课程”段落,作为出院记录的一部分。探索性分析表明,BHC段落是高度抽象的一些长提取片段,是简洁而全面的,不同的风格和内容组织的源说明,表现出最小的词汇衔接,并代表银标准的参考。我们的分析确定了建模这个复杂的,多文档摘要任务的多重影响。
Summarization of clinical narratives is a long-standing research problem. Here, we introduce the task of hospital-course summarization. Given the documentation authored throughout a patient’s hospitalization, generate a paragraph that tells the story of the patient admission. We construct an English, text-to-text dataset of 109,000 hospitalizations (2M source notes) and their corresponding summary proxy: the clinician-authored “Brief Hospital Course” paragraph written as part of a discharge note. Exploratory analyses reveal that the BHC paragraphs are highly abstractive with some long extracted fragments; are concise yet comprehensive; differ in style and content organization from the source notes; exhibit minimal lexical cohesion; and represent silver-standard references. Our analysis identifies multiple implications for modeling this complex, multi-document summarization task.
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