# Feature-Depth Smoothness Based Semi-Supervised Weighted Extreme Learning Machine for lithology identification

> Research article (Journal of Natural Gas Science and Engineering, 2021) · cited 24× · AI/ML

**Wikidata**: [openalex:W3209201392](https://www.wikidata.org/wiki/openalex:W3209201392)  
**Source**: https://4ort.xyz/entity/feature-depth-smoothness-based-semi-supervised-weighted-extreme-learning-machine-for-lithology-identification