# A rail-road PI-hub allocation problem: Active and reactive approaches

> Research article (Computers in Industry, 2016) · cited 47× · AI/ML

**Wikidata**: [openalex:W2344260105](https://www.wikidata.org/wiki/openalex:W2344260105)  
**Source**: https://4ort.xyz/entity/a-rail-road-pi-hub-allocation-problem-active-and-reactive-approaches