] Computational models of trust and reputation Agents, evolutionary games, and social networks

] Computational models of trust and reputation Agents, evolutionary games, and social networks

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時間：2019-07-22

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1、ComputationalModelsofTrustandReputation:Agents,EvolutionaryGames,andSocialNetworksbyLikMuiB.S.,M.Eng.,ElectricalEngineeringandComputerScienceMassachusettsInstituteofTechnology,1995M.Phil.,ManagementStudies,DepartmentofSocialStudiesUniversityofOxford,1997Submittedto

2、theDepartmentofElectricalEngineeringandComputerScienceinPartialFulfillmentoftheRequirementsfortheDegreeofDoctorofPhilosophyinElectricalEngineeringandComputerScienceattheMASSACHUSETTSINSTITUTEOFTECHNOLOGYDecember20,2002Copyright2002MassachusettsInstituteofTechnology

3、.Allrightsreserved.SignatureofAuthor:____________________________________________________________DepartmentofElectricalEngineeringandComputerScienceDecember20,2002Certifiedby:___________________________________________________________________PeterSzolovitsProfessor

4、ofElectricalEngineeringandComputerScienceThesisSupervisorAcceptedby:__________________________________________________________________ArthurC.SmithProfessorofElectricalEngineeringandComputerScienceChairman,DepartmentCommitteeonGraduateStudentsComputationalModelsofT

5、rustandReputation:Agents,EvolutionaryGames,andSocialNetworksbyLikMuiSubmittedtotheDepartmentofElectricalEngineeringandComputerScienceonDecember20,2002inpartialfulfillmentoftherequirementsfortheDegreeofDoctorofPhilosophyinElectricalEngineeringandComputerScienceAbstr

6、actManyrecentstudiesoftrustandreputationaremadeinthecontextofcommercialreputationorratingsystemsforonlinecommunities.Mostofthesesystemshavebeenconstructedwithoutaformalratingmodelormuchregardforoursociologicalunderstandingoftheseconcepts.Wefirstprovideacriticalover

7、viewofthestateofresearchontrustandreputation.Wethenproposeaformalquantitativemodelfortheratingprocess.Basedonthismodel,weformulatetwopersonalizedratingschemesanddemonstratetheireffectivenessatinferringtrustexperimentallyusingasimulateddatasetandarealworldmovie-rati

8、ngdataset.Ourexperimentsshowthatthepopularglobalratingschemewidelyusedincommercialelectroniccommunitiesisinferiortoourpersonalizedratingschemeswh

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