# HETFORMER: Heterogeneous Transformer with Sparse Attention for Long-Text Extractive Summarization

> Research article (Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3205231586](https://www.wikidata.org/wiki/openalex:W3205231586)  
**Source**: https://4ort.xyz/entity/hetformer-heterogeneous-transformer-with-sparse-attention-for-long-text-extractive-summarization