# HackRL: Reinforcement learning with hierarchical attention for cross-graph knowledge fusion and collaborative reasoning

> Research article (Knowledge-Based Systems, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3201653419](https://www.wikidata.org/wiki/openalex:W3201653419)  
**Source**: https://4ort.xyz/entity/hackrl-reinforcement-learning-with-hierarchical-attention-for-cross-graph-knowledge-fusion-and-collaborative-reasoning