# Hierarchical graph multi-agent reinforcement learning for traffic signal control

> Research article (Information Sciences, 2023) · cited 49× · AI/ML

**Wikidata**: [openalex:W4327704813](https://www.wikidata.org/wiki/openalex:W4327704813)  
**Source**: https://4ort.xyz/entity/hierarchical-graph-multi-agent-reinforcement-learning-for-traffic-signal-control