# Identifying the “Ghost City” of domain topics in a keyword semantic space combining citations

> Research article (Scientometrics, 2017) · cited 20× · AI/ML

**Wikidata**: [openalex:W2773402217](https://www.wikidata.org/wiki/openalex:W2773402217)  
**Source**: https://4ort.xyz/entity/identifying-the-ghost-city-of-domain-topics-in-a-keyword-semantic-space-combining-citations