A Novel Hybrid Approach to Automated Negation Detection in Clinical Radiology Reports
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چکیده
منابع مشابه
Research Paper: A Novel Hybrid Approach to Automated Negation Detection in Clinical Radiology Reports
OBJECTIVE Negation is common in clinical documents and is an important source of poor precision in automated indexing systems. Previous research has shown that negated terms may be difficult to identify if the words implying negations (negation signals) are more than a few words away from them. We describe a novel hybrid approach, combining regular expression matching with grammatical parsing, ...
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ژورنال
عنوان ژورنال: Journal of the American Medical Informatics Association
سال: 2007
ISSN: 1067-5027,1527-974X
DOI: 10.1197/jamia.m2284