2560 search results - page 191 / 512 » Securing VO Management |
140
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WWW
2005
ACM
16 years 5 months ago
2005
ACM
Reputation systems have been popular in estimating the trustworthiness and predicting the future behavior of nodes in a large-scale distributed system where nodes may transact wit...
137
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ACMSE
2007
ACM
15 years 9 months ago
2007
ACM
In this paper, we present two new centralized group key management protocols based on the Chinese Remainder Theorem (CRT). By shifting more computing load onto the key server we o...
165
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ICTAI
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
318
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SACMAT
2011
ACM
14 years 7 months ago
2011
ACM
In this paper, we present an approach for identity and access management (IAM) in the context of (cross-organizational) serviceoriented architectures (SOA). In particular, we deï¬...
152
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CCS
2007
ACM
15 years 11 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...