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Is Boundary Annotation Necessary? Evaluating Boundary-Free Approaches to Improve Clinical Named Entity Annotation Efficiency: Case Study

Is Boundary Annotation Necessary? Evaluating Boundary-Free Approaches to Improve Clinical Named Entity Annotation Efficiency: Case Study

We followed the annotation schema as defined by Yada et al [30]. To simplify the evaluation process, annotators were asked to label only positive (nonnegated) entities of the “Diseases and symptoms” category. We provided the participants with a document describing what should be annotated and some examples, as summarized in Table 1. Annotation guidelines. Patient visited this hospital due to the appearance of a skin rash. Epicarditis was suspected and the patient was hospitalized on July 2.

Gabriel Herman Bernardim Andrade, Shuntaro Yada, Eiji Aramaki

JMIR Med Inform 2024;12:e59680

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