# Distance metric learning for ordinal classification based on triplet constraints

> Research article (Knowledge-Based Systems, 2017) · cited 39× · AI/ML

**Wikidata**: [openalex:W2768861156](https://www.wikidata.org/wiki/openalex:W2768861156)  
**Source**: https://4ort.xyz/entity/distance-metric-learning-for-ordinal-classification-based-on-triplet-constraints