# Document-level Relation Extraction with Dual-tier Heterogeneous Graph

> Research article (Proceedings of the 28th International Conference on Computational Linguistics, 2020) · cited 66× · AI/ML

**Wikidata**: [openalex:W3113440918](https://www.wikidata.org/wiki/openalex:W3113440918)  
**Source**: https://4ort.xyz/entity/document-level-relation-extraction-with-dual-tier-heterogeneous-graph