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On the sequence of authorization policy transformations
2005
International Journal of Information Security
In [2, 3] , we proposed a model-based approach to specify the transformation of authorizations based on the principle of minimal change [10] and its application in database systems. Nevertheless, there were some limitations in this approach. Firstly, we could not represent a sequence of transformations. Secondly, default authorizations could not be expressed. In this paper, we propose two high-level formal languages L s and L sd to specify a sequence of authorization transformations and default
doi:10.1007/s10207-004-0069-1
fatcat:52e7laoapbaxbbvhozg5iwbdfe