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IFIPTM
2010

Shinren: Non-monotonic Trust Management for Distributed Systems

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Shinren: Non-monotonic Trust Management for Distributed Systems
Abstract. The open and dynamic nature of modern distributed systems and pervasive environments presents significant challenges to security management. One solution may be trust management which utilises the notion of trust in order to specify and interpret security policies and make decisions on security-related actions. Most trust management systems assume monotonicity where additional information can only result in the increasing of trust. The monotonic assumption oversimplifies the real world by not considering negative information, thus it cannot handle many real world scenarios. In this paper we present Shinren1 , a novel non-monotonic trust management system based on bilattice theory and the anyworld assumption. Shinren takes into account negative information and supports reasoning with incomplete information, uncertainty and inconsistency. Information from multiple sources such as credentials, recommendations, reputation and local knowledge can be used and combined in order to...
Changyu Dong, Naranker Dulay
Added 27 Jan 2011
Updated 27 Jan 2011
Type Journal
Year 2010
Where IFIPTM
Authors Changyu Dong, Naranker Dulay
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