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With the progress of new technologies of information management, Ubiquitous Resource Management (URM) is a dominant areas of research which requires efficient access management approaches. There have been huge challenges of controlling access to ubiquitous resources among collaborative multi-servers based on the negotiating security policies on URMs. However, the traditional access control mechanisms...
In recent years, user populations of applications systems have been extended the challenge of controlling access to resources using security policies have grown. However, the typical access control technologies and schemes are insufficient to cope with such applications that allow accessing services via huge users or groups. Therefore, the hierarchical virtual role assignment for negotiation-based...
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