# A reduced variance unsupervised ensemble learning algorithm based on modern portfolio theory

> Research article (Expert Systems with Applications, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3157558271](https://www.wikidata.org/wiki/openalex:W3157558271)  
**Source**: https://4ort.xyz/entity/a-reduced-variance-unsupervised-ensemble-learning-algorithm-based-on-modern-portfolio-theory