# Bibliographic coupling and hierarchical clustering for the validation and improvement of subject-classification schemes

> Research article (Scientometrics, 2015) · cited 34× · AI/ML

**Wikidata**: [openalex:W2139711265](https://www.wikidata.org/wiki/openalex:W2139711265)  
**Source**: https://4ort.xyz/entity/bibliographic-coupling-and-hierarchical-clustering-for-the-validation-and-improvement-of-subject-classification-schemes