# SPARTA: Efficient Open-Domain Question Answering via Sparse Transformer Matching Retrieval

> Research article (Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2021) · cited 49× · AI/ML

**Wikidata**: [openalex:W3170739233](https://www.wikidata.org/wiki/openalex:W3170739233)  
**Source**: https://4ort.xyz/entity/sparta-efficient-open-domain-question-answering-via-sparse-transformer-matching-retrieval