# Contrastive multi-graph learning with neighbor hierarchical sifting for semi-supervised text classification

> Research article (Expert Systems with Applications, 2024) · cited 16× · AI/ML

**Wikidata**: [openalex:W4405185121](https://www.wikidata.org/wiki/openalex:W4405185121)  
**Source**: https://4ort.xyz/entity/contrastive-multi-graph-learning-with-neighbor-hierarchical-sifting-for-semi-supervised-text-classification