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Proc AMIA Symp. 2000 : 729–733.
PMCID: PMC2244050

Medical document anonymization with a semantic lexicon.


We present an original system for locating and removing personally-identifying information in patient records. In this experiment, anonymization is seen as a particular case of knowledge extraction. We use natural language processing tools provided by the MEDTAG framework: a semantic lexicon specialized in medicine, and a toolkit for word-sense and morpho-syntactic tagging. The system finds 98-99% of all personally-identifying information.

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  • Ruch P, Wagner J, Bouillon P, Baud RH, Rassinoux AM, Scherrer JR. MEDTAG: tag-like semantics for medical document indexing. Proc AMIA Symp. 1999:137–141. [PMC free article] [PubMed]

Articles from Proceedings of the AMIA Symposium are provided here courtesy of American Medical Informatics Association


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