Beyond Negation Detection: Comprehensive Assertion Detection Models for Clinical NLP
John Snow Labs
APRIL 30, 2025
Assertion status detection is critical in clinical NLP but often overlooked, leading to underperformance in commercial solutions like AWS Medical Comprehend, Azure AI Text Analytics, and GPT-4o. NegEx , a rule-based system, detects negation in clinical text by identifying predefined linguistic patterns. GHz, 50.99
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