# Ontology-based data access – Beyond relational sources

> Research article (Intelligenza Artificiale, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2969543185](https://www.wikidata.org/wiki/openalex:W2969543185)  
**Source**: https://4ort.xyz/entity/ontology-based-data-access-beyond-relational-sources