The following publications are possibly variants of this publication:
- Ciphertext-Policy Hierarchical Attribute-based Encryption for Fine-Grained Access Control of Encryption DataXimeng Liu, Jianfeng Ma, Jinbo Xiong, Guangjun Liu. ijnsec, 16(6):437-443, 2014. [doi]
- Hierarchical attribute-based encryption for fine-grained access control in cloud storage servicesGuojun Wang, Qin Liu, Jie Wu. ccs 2010: 735-737 [doi]
- Ciphertext-Policy Weighted Attribute Based Encryption for Fine-Grained Access ControlXimeng Liu, Jianfeng Ma, Jinbo Xiong, Qi Li, Jun Ma. incos 2013: 51-57 [doi]