# A Two-Level Kriging-Based Approach with Active Learning for Solving Time-Variant Risk Optimization Problems

> Research article (Reliability Engineering & System Safety, 2020) · cited 50× · AI/ML

**Wikidata**: [openalex:W3035065854](https://www.wikidata.org/wiki/openalex:W3035065854)  
**Source**: https://4ort.xyz/entity/a-two-level-kriging-based-approach-with-active-learning-for-solving-time-variant-risk-optimization-problems