简介：Resourcessharedine-Sciencehavecriticalrequirementsonsecurity.Thussubjectivetrustmanagementisessentialtoguaranteeusers'collaborationsandcommunicationsonsuchapromisinginfrastructure.Asanimportantnatureofsubjectivetrust,uncertaintyshouldbepreservedandexhibitedintrustdefinition,representationandevolution.Considerthedrawbacksofexistingmechanismsbasedonrandommathematicsandfuzzytheory,thispaperdesignsanuncertaintyenhancedtrustevolutionstrategybasedoncloudmodeltheory.Wedefinesubjectivetrustastrustcloud.Thenweproposenewalgorithmstopropagate,aggregateandupdatetrust.Furthermore,basedontheconceptofsimilarcloud,amethodtoassesstrustlevelisputforward.Thesimulationresultsshowtheeffiectiveness,rationalityandefficiencyofourproposedstrategy.

简介：Dynamicloadbalancingschemesaresignificantforefficientlyexecutingnonuniformproblemsinhighlyparallelmulticomputersystems.Theobjectiveistominimizethetotalexectuiontimeofsingleapplications.ThispaperhasproposedanARIDstrategyfordistributeddynamicloadbalancing.Itsprincipleandcontrolprotocolaredescribed,andtecommunicationoverhead,theeffectonsystemstabilityandtheperformanceefficiencyareanalyzed.Finally,simulationexperimentsarecarriedouttocomparetheadaptivestrategywithotherdynamicloadbalancingschemes.