# Dual-Channel and Hierarchical Graph Convolutional Networks for document-level relation extraction

> Research article (Expert Systems with Applications, 2022) · cited 25× · AI/ML

**Wikidata**: [openalex:W4282036033](https://www.wikidata.org/wiki/openalex:W4282036033)  
**Source**: https://4ort.xyz/entity/dual-channel-and-hierarchical-graph-convolutional-networks-for-document-level-relation-extraction