arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2211.01147cs.CRcs.AI
收藏

一种易用、鲁棒的临床文本差异隐私去识别方法

An Easy-to-use and Robust Approach for the Differentially Private De-Identification of Clinical Textual Documents

Femto-ST Institute(Femto-ST研究所);Univ. Bourg. Franche-Comté(勃艮第-弗朗什孔泰大学);CNRS(法国国家科学研究中心)

Yakini Tchouka, Jean-François Couchot, David Laiymani

摘要:

非结构化文本数据是医疗保健系统的核心。出于明显的隐私原因,研究人员无法访问这些文件,只要它们包含个人身份信息。在遵守立法框架(特别是GDPR或HIPAA)的同时共享这些数据的一种方法是在医疗机构内对其进行去识别,即通过命名实体识别(NER)系统检测个人信息,然后将其替换,使文档与个人难以关联。挑战在于拥有可靠的NER和替代工具,同时又不影响文件的保密性和一致性。大部分的研究集中在英文医疗文件与粗糙的替代没有受益于隐私的进步。本文展示了如何通过加强不太鲁棒的去识别方法和通过适应最先进的差分私有机制用于替代目的来实现高效和差分私有去识别方法。其结果是一种方法,用于去识别法语临床文件,但也可推广到其他语言,其鲁棒性在数学上得到证明。

英文摘要:

Unstructured textual data is at the heart of healthcare systems. For obvious privacy reasons, these documents are not accessible to researchers as long as they contain personally identifiable information. One way to share this data while respecting the legislative framework (notably GDPR or HIPAA) is, within the medical structures, to de-identify it, i.e. to detect the personal information of a person through a Named Entity Recognition (NER) system and then replacing it to make it very difficult to associate the document with the person. The challenge is having reliable NER and substitution tools without compromising confidentiality and consistency in the document. Most of the conducted research focuses on English medical documents with coarse substitutions by not benefiting from advances in privacy. This paper shows how an efficient and differentially private de-identification approach can be achieved by strengthening the less robust de-identification method and by adapting state-of-the-art differentially private mechanisms for substitution purposes. The result is an approach for de-identifying clinical documents in French language, but also generalizable to other languages and whose robustness is mathematically proven.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑