# Querying on large and complex databases by content: Challenges on variety and veracity regarding real applications

> Research article (Information Systems, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2939471525](https://www.wikidata.org/wiki/openalex:W2939471525)  
**Source**: https://4ort.xyz/entity/querying-on-large-and-complex-databases-by-content-challenges-on-variety-and-veracity-regarding-real-applications