根据来源对混的后门调整,以对多机构临床笔记进行可靠的文本分类
Xiruo Ding1, Zhecheng Sheng2, Meliha Yetişgen1
1University of Washington, Seattle, WA, USA.
AMIA ... Annual Symposium proceedings. AMIA Symposium
|January 15, 2024
概括
后门调整有效地减轻了在多站点数据上训练的临床自然语言处理 (NLP) 模型中的偏差. 这种技术可以提高模型的稳定性,防止因来源而引起的混,从而提高不同医疗机构的性能.
科学领域:
- 临床自然语言处理 (NLP)
- 医疗保健中的机器学习
- 数据偏差缓解的缓解
背景情况:
- 自然语言处理 (NLP) 方法对于临床任务至关重要,机器学习和深度学习提高了性能.
- 挑战包括需要大数据集和模型在各机构的可转移性差,导致数据整合的努力.
- 数据集成可以引入"来源混",其中不同的数据分布会在部署时损害模型性能.
研究的目的:
- 评估后门调整在多站点临床笔记数据集中的文本分类的有效性.
- 评估后门调整对减轻来源混的有用性.
- 测量模型的稳定性与临床NLP中的分布式转移.
主要方法:
- 使用了多个站点的临床笔记数据集,对药物滥用提及进行了注释.
- 在文本分类任务中应用后门调整技术.
- 采用一个评估框架,旨在测量对分布变化的稳定性.
主要成果:
- 后门调整在减轻混变动方面表现出显著的实用性.
- 该技术在应对由于数据分布在各站点之间不同而导致的性能下降方面被证明是有效的.
- 成功评估了模型对分布式转移的稳定性.
结论:
- 后门调整是一种可行的方法来解决临床NLP中来源的混.
- 这种方法可以提高机器学习模型在各种医疗保健环境中的可移植性和可靠性.
- 进一步的研究可以探索后门调整在临床数据分析中的更广泛应用.
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