A Flexible and Secure Access Control Scheme Using Social Behavior in the Real World

Access control to resources is  one of the most important technologies for supporting human activities in  the digital space. To realize control two  schemes were  proposed: RBAC (Role-Based  Access Control) and  TRBAC  (Temporal  Role-Based   Access  Control)  by adding time constraints and role dependencies to RBAC.  However, these methods are not effective for temporal activities because of maintenance costs and inadequacy  in safeness. In  this paper,  we focus  on a flexible and secure access control in the real space, by using relations with users and situations, and propose a  novel access control which is effective for temporal activities.

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