# A Unified Pretraining Framework for Passage Ranking and Expansion

> Research article (Proceedings of the AAAI Conference on Artificial Intelligence, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3175349176](https://www.wikidata.org/wiki/openalex:W3175349176)  
**Source**: https://4ort.xyz/entity/a-unified-pretraining-framework-for-passage-ranking-and-expansion