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计算机科学 2008
Trustworthiness-based Access Control Model for Grid Virtual Organizations
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Abstract:
The existing access control models for grid virtual organization(VO) have some faults as follows:First,most of them cannot express contextual access control policies which are important in the grid environment.Second,they bring heavy administration burden at the side of resource providers.Finally,trustworthiness between VO members is not described in these models which do not accord with facts.To overcome these limitations,provided a trustworthiness-based access control model for virtual organizations,calle...