# Harvesting railway passenger opinions on multi themes by using social graph clustering

> Research article (Journal of Rail Transport Planning & Management, 2019) · cited 18× · AI/ML

**Wikidata**: [openalex:W2988167813](https://www.wikidata.org/wiki/openalex:W2988167813)  
**Source**: https://4ort.xyz/entity/harvesting-railway-passenger-opinions-on-multi-themes-by-using-social-graph-clustering