# An ant colony system empowered variable neighborhood search algorithm for the vehicle routing problem with simultaneous pickup and delivery

> Research article (Expert Systems with Applications, 2016) · cited 143× · AI/ML

**Wikidata**: [openalex:W2519694694](https://www.wikidata.org/wiki/openalex:W2519694694)  
**Source**: https://4ort.xyz/entity/an-ant-colony-system-empowered-variable-neighborhood-search-algorithm-for-the-vehicle-routing-problem-with-simultaneous-