# Improving sentiment analysis on clinical narratives by exploiting UMLS semantic types

> Research article (Artificial Intelligence in Medicine, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3131269036](https://www.wikidata.org/wiki/openalex:W3131269036)  
**Source**: https://4ort.xyz/entity/improving-sentiment-analysis-on-clinical-narratives-by-exploiting-umls-semantic-types