# Policy Adaptation in Hierarchical Attribute-based Access Control Systems

> Research article (ACM Transactions on Internet Technology, 2019) · cited 11× · AI/ML

**Wikidata**: [openalex:W2969381679](https://www.wikidata.org/wiki/openalex:W2969381679)  
**Source**: https://4ort.xyz/entity/policy-adaptation-in-hierarchical-attribute-based-access-control-systems