# An ontology-driven unifying metamodel of UML Class Diagrams, EER, and ORM2

> Research article (Data & Knowledge Engineering, 2015) · cited 29× · AI/ML

**Wikidata**: [openalex:W2195414736](https://www.wikidata.org/wiki/openalex:W2195414736)  
**Source**: https://4ort.xyz/entity/an-ontology-driven-unifying-metamodel-of-uml-class-diagrams-eer-and-orm2