专利名称：Policy algebra and compatibility model发明人：Alfred M. Lee,Ashok Malhotra,Elliot L.
Waingold,Jeffrey C. Schlimmer,Stephen J.Millet
申请号：US11102848申请日：20050408
公开号：US20060230432A1公开日：20061012
专利附图：
摘要：The present invention provide for an algebraic mapping of a policy expressionfrom a compact to a normalized form, both in Boolean and set formulations. The policy
algebra is defined in such a way that policy alternatives within the normalized expressionwill be the same across equivalent compact expressions—regardless of how theassertions are arbitrarily constrained or what operators are used to constrain suchequivalent expressions. Moreover, the present invention also provides a model foridentifying alternatives that are equivalent by comparing only the root element names orQName of each assertion within an alternative. In addition, embodiments as describedherein can utilize the identification of equivalent alternatives in order to create anintersection policy expression to limit alternatives of admissible behavior to those incommon across both endpoints.
申请人：Alfred M. Lee,Ashok Malhotra,Elliot L. Waingold,Jeffrey C. Schlimmer,StephenJ. Millet
地址：Seattle WA US,Croton-On-Hudson NY US,Seattle WA US,Redmond WAUS,Edmonds WA US
国籍：US,US,US,US,US
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