Definition: Authorization is a security mechanism to determine access levels or user/client privileges related to system resources including files, services, computer programs ... the user's identity.

Abstract: Advanced human-computer interaction systems have ... In this paper, we present the authorization and access control framework for the input-constrained CARE system. This framework has been ...

Abstract: In computer systems security, role-based access control (RBAC) or role-based security is an approach to restricting system access to authorized users [1]. This paper will describe how the ...