# Enhanced concept-level sentiment analysis system with expanded ontological relations for efficient classification of user reviews

> Research article (Egyptian Informatics Journal, 2021) · cited 34× · AI/ML

**Wikidata**: [openalex:W3143134197](https://www.wikidata.org/wiki/openalex:W3143134197)  
**Source**: https://4ort.xyz/entity/enhanced-concept-level-sentiment-analysis-system-with-expanded-ontological-relations-for-efficient-classification-of-use