# Enabling causality learning in smart factories with hierarchical digital twins

> Research article (Computers in Industry, 2023) · cited 24× · AI/ML

**Wikidata**: [openalex:W4328093043](https://www.wikidata.org/wiki/openalex:W4328093043)  
**Source**: https://4ort.xyz/entity/enabling-causality-learning-in-smart-factories-with-hierarchical-digital-twins