# Document-level relation extraction with multi-layer heterogeneous graph attention network

> Research article (Engineering Applications of Artificial Intelligence, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4362510680](https://www.wikidata.org/wiki/openalex:W4362510680)  
**Source**: https://4ort.xyz/entity/document-level-relation-extraction-with-multi-layer-heterogeneous-graph-attention-network