On the sequence of authorization policy transformations

Abstract

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… (More)
DOI: 10.1007/s10207-004-0069-1

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