# Hierarchical Reinforcement Learning for Conversational Recommendation With Knowledge Graph Reasoning and Heterogeneous Questions

> Research article (IEEE Transactions on Services Computing, 2023) · cited 23× · AI/ML

**Wikidata**: [openalex:W4366957409](https://www.wikidata.org/wiki/openalex:W4366957409)  
**Source**: https://4ort.xyz/entity/hierarchical-reinforcement-learning-for-conversational-recommendation-with-knowledge-graph-reasoning-and-heterogeneous-q