# An Intelligent Advanced Classification Method for Tunnel-Surrounding Rock Mass Based on the Particle Swarm Optimization Least Squares Support Vector Machine

> Research article (Applied Sciences, 2023) · cited 10× · AI/ML

**Wikidata**: [openalex:W4319317047](https://www.wikidata.org/wiki/openalex:W4319317047)  
**Source**: https://4ort.xyz/entity/an-intelligent-advanced-classification-method-for-tunnel-surrounding-rock-mass-based-on-the-particle-swarm-optimization-