# Hierarchical Reinforcement Learning: A Survey and Open Research Challenges

> Research article (Machine Learning and Knowledge Extraction, 2022) · cited 106× · AI/ML

**Wikidata**: [openalex:W4212996499](https://www.wikidata.org/wiki/openalex:W4212996499)  
**Source**: https://4ort.xyz/entity/hierarchical-reinforcement-learning-a-survey-and-open-research-challenges