# HQR-Scheme: A High Quality and resilient virtual primary key generation approach for watermarking relational data

> Research article (Expert Systems with Applications, 2019) · cited 22× · AI/ML

**Wikidata**: [openalex:W2955936814](https://www.wikidata.org/wiki/openalex:W2955936814)  
**Source**: https://4ort.xyz/entity/hqr-scheme-a-high-quality-and-resilient-virtual-primary-key-generation-approach-for-watermarking-relational-data