加入对话:介绍一个专门的医学教育集体
Gregory M Ow1, Geoffrey V Stetson2,3, Joseph A Costello3
1Division of Hospital Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, United States.
概括
医疗教育学者现在可以更容易地访问相关文献与新的医学教育集体 (MEC). 这种专门的集合,用机器学习分类器构建,显著优于传统的搜索方法,如PubMed的MeSH术语.
科学领域:
- 医学教育 医学教育
- 图书统计学 图书统计学
- 信息科学 信息科学 信息科学
背景情况:
- 由于广泛的生物医学数据库和有限的搜索功能,医学教育学者面临着访问相关文献的挑战.
- 现有的搜索方法,如PubMed的医学科目标题 (MeSH),往往错过了相当大的百分比的相关文章,阻碍了学术话语.
研究的目的:
- 开发第一个专门的医学教育集体 (MEC),以促进医学教育学者的文献发现.
- 创建一个专门的机器学习分类器,用于准确识别和提取医学教育文章.
主要方法:
- 采用了三步过程:定义医学教育期刊 (MEJ) 的核心-外围模型,开发和训练标记文章的机器学习分类器 (MEC分类器),并应用分类器从选定的期刊中提取文章.
- 该MEC分类器在4032个手动标记的文章上接受了培训,并对其识别医学教育内容的能力进行了评估.
主要成果:
- 建立了医学教育集体 (MEC),截至2024年12月,它包含来自核心和相邻医学教育期刊的119,137篇文章.
- 与MeSH (66%) 相比,MEC分类器在识别医学教育文章方面表现出更高的灵敏度 (90%),具有相似的积极预测值 (82%对81%).
结论:
- 医学教育中心提供了一个专注和全面的资源,使医学教育学者能够有效地访问文献,并参与现场范围内的分析.
- 基础的方法支持补充工具,如MedEdMentor纸质数据库,提高医疗教育社区的可访问性.
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