Semantic analysis of medical records.

Abstract Semantic analysers are applied to medical text for the purposes of information retrieval and automated coding. The paper begins with the questions of ‘what is meaning?’ and: ‘why study it in medical text?’ as well as the theoretical basis for, and questions about, semantic analysis. Three major medically-oriented semantic analysers are covered: the synonym approach of Lamson and his colleagues at UCLA, the syntax-oriented approach of Bross, Shapiro and their colleagues at the Roswell Park Memorial Institute, and the semantic parse approach of Mishelevich at Johns Hopkins. Because these analysers have never been applied to the same body of text, precise comparison of these systems is not possible.

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