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London, Ont.
June 5, 2006 to June 7, 2006
ISBN: 0-7695-2598-9
pp: 123-132
Miguel Alves , Universidade Nova de Lisboa, Portugal
Carlos Viegas Damasio , Universidade Nova de Lisboa, Portugal
Wolfgang Nejdl , L3S Research Center and Hannover University, Germany
Daniel Olmedilla , L3S Research Center and Hannover University, Germany
ABSTRACT
Distributed Peer-to-Peer and Grid infrastructure require distributed access control mechanisms. These mechanisms can be implemented in distributed trust management infrastructures and usually require reasoning on more than one peer, as soon as authority is delegated or requests involve several authorities. Building on previous work of the authors which formalized such a distributed trust management infrastructure based on distributed logic programs, we describe in this paper how reasoning can be implemented as distributed logic evaluation and how loops during this evaluation can be handled with. Our solution is based on a loop tolerant distributed tabling algorithm which includes in the process protection of sensitive policies and generation of proofs without increasing the complexity of the system.
INDEX TERMS
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CITATION
Miguel Alves, Carlos Viegas Damasio, Wolfgang Nejdl, Daniel Olmedilla, "A Distributed Tabling Algorithm for Rule Based Policy Systems", POLICY, 2006, Proceedings. Seventh IEEE International Workshop on Policies for Distributed Systems and Networks, Proceedings. Seventh IEEE International Workshop on Policies for Distributed Systems and Networks 2006, pp. 123-132, doi:10.1109/POLICY.2006.4
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