# Fast top-k preserving query processing using two-tier indexes

> Research article (Information Processing & Management, 2016) · cited 20× · AI/ML

**Wikidata**: [openalex:W2321109263](https://www.wikidata.org/wiki/openalex:W2321109263)  
**Source**: https://4ort.xyz/entity/fast-top-k-preserving-query-processing-using-two-tier-indexes