资源描述：
《c2c电子商务环境下的动态信任算法分析》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、AbstractInC2C(ConsumertoConsumer)e-commercesystems,thetransactionsareanonymousanddynamic,thepartnerslackofthebasictrustfoundations,sothereexistsrisksintheprocessofthetransactions.Itisoneoftheefficientwaystoreducethetransactionriskthatthetrustalgorithmisusedtoevaluatesellers'trustworthinessandhelp
2、buyersmakedecision-buying.Inordertocomputetrustquantitativelyandobjectively,someconceptsoftrustandtrustrelationshipsaredefinedintermsofhumancognitivemethodsandbehaviorsinsociety,andaformaldescriptionmodelisraisedbasedonthetrustnetwork.Consideringthereputationpropagationdiscipline,optimizationalgo
3、rithmsforthetrustnetworkareputforwardwhichcaneffectivelysimplifythecomplexnetworkrelationship.Andavisualgenerationtoolisdevelopedforthetrustnetwork,whichcanreducethecomplexityofthetrustcomputingalgorithm,andbuildthetheoreticalprincipleforstudyingontrustpropagationmechanismandtrustevaluationmodel•
4、Then,thedynamictrustalgorithmCDTA(C2CDynamicTrustAlgorithm)isconstructedforC2Ce-commerceenvironmentindetail.Thealgorithmfirstcomputesthedirecttrustworthinessofthebuyertothesellerbythetransactionexperiencebetweenthebuyerandtheseller.Secondly,thereferencetrustworthinessiscomputedfromthebuyersfriend
5、sinthetrustnetwork.Finally,thetrustofthebuyertotheselleristheintegrationofthedirecttrustworthinessandthereferencetrustworthinessbymeansofthetrustadjustingfactor.Inordertoreducetheattackfrommaliciousactandmakethetrustworthinessmoreaccurately,atrust-factorisdefinedinthealgorithm.Theexperimentsshowt
6、hatboththetransactionmulti-attributesandtheirrelativitiesaretakenintoaccountinCDTA，thegranularityofthetrustevaluationismorefine grainedandtheevaluationresultismoreobjective.Ontheotherhand,thetrustcorrelationcoefficientcanhelpthebuyersiftoutthereferencenodesmeetingwiththebuyer^sindividuation,maket
7、hereferencetrustworthinessmoreaccurately,andcurbtheimpactontheCDTAfromsomemaliciousnodes.KeyWords:E-Commerce,TrustNetwork,NetworkOptimization,TrustAttributes,TrustComputingin摘要IABSTRACTII1绪论1.1课题的研究背景和意义(1)1.2国内外研究概况(2
