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ID:39402347
大小:1.26 MB
页数:61页
时间:2019-07-02
《基于复杂网络的信息传播》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、厦门大学硕士学位论文基于复杂网络的信息传播姓名:张嘉龄申请学位级别:硕士专业:系统工程指导教师:李茂青20080501AbstractGenerally,thecomplexnetworkhasalreadybeenregardedasabrand—newandpowerfultoolwhichportraysthenatureandsocialsystemwellandhaspotentialapplicationsinscientificresearch,suchassystemsscience,sociology,economics,
2、management,engineeringtechnology,andSOon.Thecomplexnetwork’Scomplexitystemsfromitsmassivenodesandedges,aswellasthenonlinearrelationshipbetweenthem,SOthenodesandedgeshavetheirowncomplexstatusandrenewalstrategycontinually.Furthermore,adynamicnetworkhasevenmorecomplexitysucha
3、sscaleexpansion,topologychanging,andstructure’Sinfluencetofunction.Theresearchoncomplexnetworkishelpfulinunderstandingcomplexscienceandcomplicatedsystems.Thefirstpartofthisarticleintroducestheclassicaltheoryofcomplexnetwork,andthemostrepresentativecomplexnetworkmodel,thesm
4、all—worldnetworkandthescale-freenetwork.Then,basedontheconstructionofailopinioninteractivemodelandatopicdiffusionmodelseparately,thisarticlestudiestheuniversalexistencedisseminationphenomenonfromwhichthediffusionruleandtheprimaryinfluentialfactorsofsystemefficiencyandbalan
5、cearesummarized,andthepossiblewaytoforecasttheeventtrend,limitorfacilitatethespreadingofthought,isgiven.Theopinioninteractivemodelanalyzesthecriticalcommunicationdifficultythresholdvaluefirst,andthenstudiestheinfluenceofarchitecturetoefficiencyintheseriessmall.worldnetwork
6、.Wefindthattheefficiencythatonlydependsintheshortedgesisfarinferiortothatofthedistantedges,althoughthedistantedgesarediminishingmarginalutilityalso.Thetopicdiffusionmodelinthescale—freenetworkanalyzeshowtheinterestofthetopic,theindividual’SattentionleveltootherpeopleandSOo
7、n,affectthetopicdissemination.Asisthecase,themoreimportantandmoreinterestingthetopicis,themoreparticipatorsjoindiscussionfinally.Caringaboutothers’viewswillboostthetopicdiscussionwithcommunitystrategyuniformagreement.Keywords:ComplexSystem;ComplexNetwork;TransmissionDynami
8、cs.厦门大学学位论文原创性声明兹呈交的学位论文,是本人在导师指导下独立完成的研究成果。本人在论文写作中参考的其他个人或集体的研究成果,均在文中以明确方式标明。本人依法享有和承担
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