A fine-grained time-constraint role-based access control using OCL.

Junqing Li Xin-you Li Shengxian Xie Chen Chen Hui-Shan Yu Guangliang Liu

Published in: ICDIM (2008)

Keyphrases

fine grained
access control
role based access control
constraint language
coarse grained
privacy policies
data security
access control policies
multi domain
security mechanisms
database
security policies
security model
security requirements
data lineage