1. A content-based authorization model for digital libraries;Adam;IEEE Trans. Knowl. Data Eng.,2002
2. A dynamic attribute-based risk aware access control model (da-raac) for cloud computing;Aluvalu,2016
3. What are the most important challenges for access control in new computing domains, such as mobile, cloud and cyber-physical systems?;Bauer,2014
4. A framework for risk-aware role based access control;Bijon,2013
5. Latent dirichlet allocation;Blei;J. Mach. Learn. Res.,2003