# Developing six hybrid machine learning models based on gaussian process regression and meta-heuristic optimization algorithms for prediction of duration and cost of road tunnels construction

> Research article (Tunnelling and Underground Space Technology, 2022) · cited 44× · AI/ML

**Wikidata**: [openalex:W4297472801](https://www.wikidata.org/wiki/openalex:W4297472801)  
**Source**: https://4ort.xyz/entity/developing-six-hybrid-machine-learning-models-based-on-gaussian-process-regression-and-meta-heuristic-optimization-algor