# International roughness index prediction based on multigranularity fuzzy time series and particle swarm optimization

> Research article (Expert Systems with Applications X, 2019) · cited 26× · AI/ML

**Wikidata**: [openalex:W2946412472](https://www.wikidata.org/wiki/openalex:W2946412472)  
**Source**: https://4ort.xyz/entity/international-roughness-index-prediction-based-on-multigranularity-fuzzy-time-series-and-particle-swarm-optimization