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Annotating temporal information in clinical narratives.


ABSTRACT: Temporal information in clinical narratives plays an important role in patients' diagnosis, treatment and prognosis. In order to represent narrative information accurately, medical natural language processing (MLP) systems need to correctly identify and interpret temporal information. To promote research in this area, the Informatics for Integrating Biology and the Bedside (i2b2) project developed a temporally annotated corpus of clinical narratives. This corpus contains 310 de-identified discharge summaries, with annotations of clinical events, temporal expressions and temporal relations. This paper describes the process followed for the development of this corpus and discusses annotation guideline development, annotation methodology, and corpus quality.

SUBMITTER: Sun W 

PROVIDER: S-EPMC3855581 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Annotating temporal information in clinical narratives.

Sun Weiyi W   Rumshisky Anna A   Uzuner Ozlem O  

Journal of biomedical informatics 20130719


Temporal information in clinical narratives plays an important role in patients' diagnosis, treatment and prognosis. In order to represent narrative information accurately, medical natural language processing (MLP) systems need to correctly identify and interpret temporal information. To promote research in this area, the Informatics for Integrating Biology and the Bedside (i2b2) project developed a temporally annotated corpus of clinical narratives. This corpus contains 310 de-identified discha  ...[more]

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