# Sentiment classification of time-sync comments: A semi-supervised hierarchical deep learning method

> Research article (European Journal of Operational Research, 2023) · cited 11× · AI/ML

**Wikidata**: [openalex:W4388948815](https://www.wikidata.org/wiki/openalex:W4388948815)  
**Source**: https://4ort.xyz/entity/sentiment-classification-of-time-sync-comments-a-semi-supervised-hierarchical-deep-learning-method