# Graph optimization algorithm enhanced by dual-scale spectral features with contrastive learning for robust bearing fault diagnosis

> Research article (Knowledge-Based Systems, 2025) · cited 18× · AI/ML

**Wikidata**: [openalex:W4408079377](https://www.wikidata.org/wiki/openalex:W4408079377)  
**Source**: https://4ort.xyz/entity/graph-optimization-algorithm-enhanced-by-dual-scale-spectral-features-with-contrastive-learning-for-robust-bearing-fault