# DEEPEN: A negation detection system for clinical text incorporating dependency relation into NegEx

> Research article (Journal of Biomedical Informatics, 2015) · cited 136× · AI/ML

**Wikidata**: [openalex:W2064362294](https://www.wikidata.org/wiki/openalex:W2064362294)  
**Source**: https://4ort.xyz/entity/deepen-a-negation-detection-system-for-clinical-text-incorporating-dependency-relation-into-negex