# A bi-stage surrogate-assisted hybrid algorithm for expensive optimization problems

> Research article (Complex & Intelligent Systems, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3129080900](https://www.wikidata.org/wiki/openalex:W3129080900)  
**Source**: https://4ort.xyz/entity/a-bi-stage-surrogate-assisted-hybrid-algorithm-for-expensive-optimization-problems