# A Multi-channel Hierarchical Graph Attention Network for Open Event Extraction

> Research article (ACM Transactions on Information Systems, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4224245411](https://www.wikidata.org/wiki/openalex:W4224245411)  
**Source**: https://4ort.xyz/entity/a-multi-channel-hierarchical-graph-attention-network-for-open-event-extraction