# A Knowledge Graph System for the Maintenance of Coal Mine Equipment

> Research article (Mathematical Problems in Engineering, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3213705015](https://www.wikidata.org/wiki/openalex:W3213705015)  
**Source**: https://4ort.xyz/entity/a-knowledge-graph-system-for-the-maintenance-of-coal-mine-equipment