資源描述：
《simplification and analysis of transitive trust networks》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、1SimplicationandAnalysisofTransitiveTrustNetworksAudunJ?sang,ElizabethGrayy,andMichaelKinatederzSchoolofSoftwareEngineeringandDataCommunicationsQueenslandUniversityofTechnology,Australiaa.josang@qut.edu.auyComputerScienceDepartmentTrinityCollegeDublin,Irelandgrayl@cs.tcd.iezInst
2、ituteofParallelandDistributedSystemsFacultyofComputerScience,UniversityofStuttgart,GermanyMichael.Kinateder@informatik.uni-stuttgart.deAbstractWhentransactingandinteractingthroughopencomputernetworks,traditionalmethodsusedinthephysicalworldforestablishingtrustcannolongerbeused.Crea
3、tingvirtualnetworksubstituteswithwhichpeople,or-ganisationsandsoftwareagentscanderivetrustinotherpartiesrequirescomputerisedanalysisoftheunderlyingtrustnetworks.Thisarticledescribesanapproachtotrustnetworkanalysisusingsubjectivelogic(TNA-SL),thatconsistsofthethreefollowingelements.
4、Firstlyitusesaconcisenotationwithwhichtrusttransitivityandparallelcombinationoftrustpathscanbeexpressed.Secondlyitdenesamethodforsimplifyingcomplextrustnetworkssothattheycanbeexpressedinthisconciseform.Finallyitallowstrustmeasurestobeexpressedasbeliefs,sothatderivedtrustcanbeautom
5、aticallyandsecurelycomputedwithsubjectivelogic.WecompareourapproachwithtrustderivationalgorithmsthatarebasedonnormalisationsuchasPageRankandEigenTrust.WealsoprovideanumericalexampletoillustrateshowTNA-SLcanbeapplied.IndexTermsTrust,transitivity,networks,reputation,subjectivelogic,b
6、elief,DSPG,TNA-SL,P2P,PageRank,EigenTrust.I.INTRODUCTIONModerncommunicationmediaareincreasinglyremovingusfromfamiliarstylesofinteractingandconductingbusinessinwaysthattraditionallyrelyonsomedegreeofpre-establishedtrustbetweenbusinesspartners.Moreover,mosttraditionalcuesforassessing
7、trustinthephysicalworldarenotavailablethroughthosemedia.Wemaynowbeconductingbusinesswithpeopleandorganisationsofwhichweknownothing,andwearefacedwiththedifculttaskofmakingdecisionsinvolvingriskinsuchsituations.Asaresult,thetopicoftrustinopencomputernetworksisreceivingconsiderableat
8、tentioninthenetworksecurit
