# PolyHope: Two-level hope speech detection from tweets

> Research article (Expert Systems with Applications, 2023) · cited 27× · AI/ML

**Wikidata**: [openalex:W4365143677](https://www.wikidata.org/wiki/openalex:W4365143677)  
**Source**: https://4ort.xyz/entity/polyhope-two-level-hope-speech-detection-from-tweets