1989 - 2022年《生物医学文献摘要》叙事的演变

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2023-04-28 DOI:10.3390/publications11020026
S. Guizzardi, M. Colangelo, P. Mirandola, C. Galli
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引用次数: 0

摘要

先前的分析表明,随着时间的推移,生物医学文献中叙事手段的使用已经发生了变化。本研究的目的是通过使用专有软件LIWC 2022来测量从Pubmed获得的科学摘要语料库中的叙事性程度,该软件基于预设的词典,将文本的分期,情节进展和认知张力属性得分。每一篇文章都会被自动分成若干段,所以分数的变化可以通过文章的不同部分进行评估,从而确定其叙事弧线。我们系统地将评分系统应用于1989-2022年间发表并在MEDLINE索引的任何类型和类型的手稿的68万篇摘要语料库,以及同一年份发表的68万篇初级研究摘要的独立语料库,最后是1989-2022年间发表的68万篇综述论文摘要的语料库。我们能够在每个语料库中创建这三个分数随时间变化的模式的情节,并观察到在叙事文本(例如小说)中观察到的原型模式在科学文献的摘要中没有看到,然而,这些文献大多具有多样化但相当可复制的模式。总体而言,综述比初级研究更符合更高程度的叙事性。
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The Evolution of Narrativity in Abstracts of the Biomedical Literature between 1989 and 2022
Previous analysis has shown that the use of narrative devices in the biomedical literature has changed over time. The purpose of the present study was to measure the degree of narrativity in corpora of scientific abstracts obtained from Pubmed through the use of a proprietary software LIWC 2022, which, based on pre-set dictionaries, attributes scores for Staging, Plot Progression and Cognitive Tension to texts. Each text is automatically divided into a number of segments, so that the score change can be assessed throughout the different parts of a text, thus identifying its narrative arc. We systematically applied the scoring system to a corpus of 680,000 abstracts from manuscripts of any kind and genre published in the years 1989–2022 and indexed in MEDLINE, an independent corpus of 680,000 abstracts of Primary studies published in the same years, and finally a corpus of 680,000 abstracts of Review papers that appeared in the 1989–2022 interval. We were able to create plots of the pattern of how these three scores changed over time in each corpus and observed that the prototypical pattern observed in narrative texts, e.g., novels, is not seen in abstracts of the scientific literature, which, however, mostly possess a diverse but quite reproducible pattern. Overall, Reviews better conform to a higher degree of narrativity than Primary studies.
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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