# Unsupervised classification of SDSS galaxy spectra

> Research article (Astronomy and Astrophysics, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3135097080](https://www.wikidata.org/wiki/openalex:W3135097080)  
**Source**: https://4ort.xyz/entity/unsupervised-classification-of-sdss-galaxy-spectra