# A New Formulation for the Dial-a-Ride Problem

> Research article (Transportation Science, 2021) · cited 53× · AI/ML

**Wikidata**: [openalex:W3189417155](https://www.wikidata.org/wiki/openalex:W3189417155)  
**Source**: https://4ort.xyz/entity/a-new-formulation-for-the-dial-a-ride-problem