# KeyBLD: Selecting Key Blocks with Local Pre-ranking for Long Document Information Retrieval

> Research article (Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3153184434](https://www.wikidata.org/wiki/openalex:W3153184434)  
**Source**: https://4ort.xyz/entity/keybld-selecting-key-blocks-with-local-pre-ranking-for-long-document-information-retrieval