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YU Haibo, XIE Qi, LV Wei
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Abstract: An Ontologybased approach to define the authorization policies of an RBRBAC model was proposed, by which one can effectively define complex attribute expressions, quasiorder relation definition among attribute values and role hierarchies among roles in the OWL style policies. Comparison between attribute expressions without identical syntax structures is permitted to gain an insight into the relationships of all kinds of authorization rules. We can make authorization decision and perform seniority levels reasoning via an OWL reasoner. Moreover, conflicts among related authorization rules can be detected by consistency check.
Key words: OWL, RBRBAC model, authorization policy, attribute expression
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YU Haibo, XIE Qi, LV Wei. OWLbased RBRBAC Policy Definition and Reasoning[J].J4, 2006, 44(05): 754-759.
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URL: http://xuebao.jlu.edu.cn/lxb/EN/
http://xuebao.jlu.edu.cn/lxb/EN/Y2006/V44/I05/754
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