# Legal ontologies over time: A systematic mapping study

> Research article (Expert Systems with Applications, 2019) · cited 45× · AI/ML

**Wikidata**: [openalex:W2933539796](https://www.wikidata.org/wiki/openalex:W2933539796)  
**Source**: https://4ort.xyz/entity/legal-ontologies-over-time-a-systematic-mapping-study