# Document keyword extraction based on semantic hierarchical graph model

> Research article (Scientometrics, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4362555824](https://www.wikidata.org/wiki/openalex:W4362555824)  
**Source**: https://4ort.xyz/entity/document-keyword-extraction-based-on-semantic-hierarchical-graph-model