# Emotion Recognition in Affective Tutoring Systems: Collection of Ground-truth Data

> Research article (Procedia Computer Science, 2017) · cited 67× · AI/ML

**Wikidata**: [openalex:W2587235420](https://www.wikidata.org/wiki/openalex:W2587235420)  
**Source**: https://4ort.xyz/entity/emotion-recognition-in-affective-tutoring-systems-collection-of-ground-truth-data