# Unsupervised feature selection based on variance–covariance subspace distance

> Research article (Neural Networks, 2023) · cited 51× · AI/ML

**Wikidata**: [openalex:W4381852755](https://www.wikidata.org/wiki/openalex:W4381852755)  
**Source**: https://4ort.xyz/entity/unsupervised-feature-selection-based-on-variancecovariance-subspace-distance