# Improving spherical k-means for document clustering: Fast initialization, sparse centroid projection, and efficient cluster labeling

> Research article (Expert Systems with Applications, 2020) · cited 64× · AI/ML

**Wikidata**: [openalex:W3004795901](https://www.wikidata.org/wiki/openalex:W3004795901)  
**Source**: https://4ort.xyz/entity/improving-spherical-k-means-for-document-clustering-fast-initialization-sparse-centroid-projection-and-efficient-cluster