# HappyFace: Identifying and predicting frustrating obstacles for learning programming at scale

> Research article (2017 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC), 2017) · cited 17× · AI/ML

**Wikidata**: [openalex:W2769780037](https://www.wikidata.org/wiki/openalex:W2769780037)  
**Source**: https://4ort.xyz/entity/happyface-identifying-and-predicting-frustrating-obstacles-for-learning-programming-at-scale