# Multi-step-ahead crude oil price forecasting based on two-layer decomposition technique and extreme learning machine optimized by the particle swarm optimization algorithm

> Research article (Energy, 2021) · cited 96× · AI/ML

**Wikidata**: [openalex:W3158809276](https://www.wikidata.org/wiki/openalex:W3158809276)  
**Source**: https://4ort.xyz/entity/multi-step-ahead-crude-oil-price-forecasting-based-on-two-layer-decomposition-technique-and-extreme-learning-machine-opt