# PCA-KL: a parametric dimensionality reduction approach for unsupervised metric learning

> Research article (Advances in Data Analysis and Classification, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3119265899](https://www.wikidata.org/wiki/openalex:W3119265899)  
**Source**: https://4ort.xyz/entity/pca-kl-a-parametric-dimensionality-reduction-approach-for-unsupervised-metric-learning