The following publications are possibly variants of this publication:
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- Public-key based access control in sensornetHaodong Wang, Bo Sheng, Chiu Chiang Tan, Qun Li. winet, 17(5):1217-1234, 2011. [doi]
- Hierarchical attribute-based encryption for fine-grained access control in cloud storage servicesGuojun Wang, Qin Liu, Jie Wu. ccs 2010: 735-737 [doi]