# Virtual Knowledge Graphs: An Overview of Systems and Use Cases

> Research article (Data Intelligence, 2019) · cited 138× · AI/ML

**Wikidata**: [openalex:W2945688618](https://www.wikidata.org/wiki/openalex:W2945688618)  
**Source**: https://4ort.xyz/entity/virtual-knowledge-graphs-an-overview-of-systems-and-use-cases