# PetroKG: Construction and Application of Knowledge Graph in Upstream Area of PetroChina

> Research article (Journal of Computer Science and Technology, 2020) · cited 27× · AI/ML

**Wikidata**: [openalex:W3028528055](https://www.wikidata.org/wiki/openalex:W3028528055)  
**Source**: https://4ort.xyz/entity/petrokg-construction-and-application-of-knowledge-graph-in-upstream-area-of-petrochina