Rafael Rodrigues Obelheiro,  Joni da Silva Fraga,  Carla Merkle Westphall. 

This paper shows how role-based access control (RBAC) models can be implemented in distributed object-based systems that follow OMG/CORBA standards. We introduce a novel approach that allows automatic role activation by the security components of the middleware, which brings role-based access control to security-unaware applications.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2001/056.pdf

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