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1、22ndInternationalConferenceonAdvancedInformationNetworkingandApplications-WorkshopsGranularityConsideringinaTrustModelforP2PNetworks11211LiMingchu,RenYizhi,KouichiSakurai,CuiYongrui,WangZhihui1SchoolofSoftware,DalianUniversityofTechnology,China2Department
2、ofComputerScienceandCommunicationEngineering,KyushuUniversity,Japanrenyizhi2005@yahoo.com.cnAbstract-TrustresearchisanimportantissueinP2Psection3,proposesafine-grainedtrustmodel(FineTrust);networks.CurrenttrustmodelsarelackofflexibilityinInsection4,analys
3、esandsimulationaboutthismodel;dynamicenvironment.Thispaperpresentsafine-grainedFinally,wewillmakeconclusionsandprovidefuturetrustcomputationmodel-FineTrust.Themaincontributionworks.including:offeringGauss-barfunctiontoevaluatethesimilarityofservicesatisfa
4、ction;consideringthereliabilityII.RELATEDWORKSofinformationfromdifferentpeople;settingsomeparametersincomputingtrust,suchasrecommendationTrustcanbeanalyzedfromdifferentperspectivesandconsistent,recommendationaccuracy,andrecommendationapplications.Thismake
5、stheclassificationoftrustaerror,whichmaketheresultoftrustevaluationmoredifficulttask.Wetrytoclassifydimensionsconsideringnatural,andsoon.Theoreticanalysesandsimulationsshowthespecialkindofmodels,andtherelatedresearchinthat,theproposedtrustmodelismorepreci
6、seandmorerobust.trustmodelinP2Pnetworkscanbeclassifiedintofivecategories:I.INTRODUCTIONOnlinereputation-basedtrustmodel.eBay[1],AmazonAuctionsandOnSaleExchangearegoodP2Pnetworksdefineaclassofsystemsandexamplesofonlinemarketplacesthatusereputationapplicati
7、onsinwhichautonomoushosts(peers)pooltheircomputingresourcesandcollaboratetoperformaspecialmechanisms.Allthesemodelsconsiderreputationasatask.Thepeershaveidenticalfunctionalityandplaytheglobalpropertyanduseasinglevaluethatisnotroleinbothserversandclients.W
8、henapeerwantstodependentonthecontext.Theydonotprovideexplicitinteractwithotherpeer,itfirstlyevaluatesthetargetmechanismstodealwithusersprovidingfalsepeer’scredit,andthenmakestrustdecisionsaccordingtoinformation.Agre
