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1、哈尔滨工业大学管理学硕士学位论文AbstractItisaninformationage,wehavedailycontactedwithmassinformation,withthecontinuousprogressandevolutionofonlinemedia,Micro-bloghasbecomeanimportantplatformforinformationexchangeandchangedthetraditionalway.Peoplearenotonlythedisseminatorsofinformation,butalsomanufacturers,the
2、contentofinformationismorediverse,thetimeofinformationpropagationismorefragmented.MininganddiscoveryaboutMicro-bloginformationpropagationlawcanmakeusaprofoundunderstandingofthenatureofpeople’sinteractingwithinformation,andprovidetheoreticalbasisforMicro-blogmarketingpublicopinionmonitoring.Thi
3、spaperconductedanoverallanalysisontheinformationpropagationinMicro-blogcombiningwiththecomplexnetworktheory,includingresearchonthenetworkstructureofinformationpropagation,characteristicandevolutionofMicro-bloginformationpropagation,analysisonthepathandtimeofinformationpropagation,aswellasameas
4、ureofusers’capabilitiesofinformationpropagation.Firstly,thispaperrandomlyselected45,770Micro-blogusersandselectedtheirlatest100Micro-blogsuntilSeptember30in2013,thenextractedrespostingrecordsfromthesedatasothatitcancharacterizetheinformationpropagationinMicro-blogwithusers’respostingbehavior,b
5、uiltusers’respostingnetworkaftercleaningtherawdata,andinordertohaveacontrast,thisarticlebulitausers’attentionnetwork;analyzedthetwonetworks’characteristicsintermsoftopologyandtopologicalindices’evolutionwithsamplesize’changeininformationpropagationnetwork.Then,thisarticleconductedfurtheranalys
6、isonthepath’sdistributionofinformationpropagationanditsrelationshipwiththeMicro-blogusers’fansnumber,andputanemphasisonthetimepatternofMicro-bloginformationpropagation,includingbothpropagationtimeandtimedelay.Finally,thispapercombinedthreeindicatorscharacterizingMicro-blogusers’selfpropertiesw
7、ithsevenindicatorscharacterizingtheusers’abilitytospreadinformationnetwork,andbuiltamathematicalmodeltomeasureusers’capabilitiesofinformationpropagationonthebasisofprincipalcomponentanalysis,andgivetop-20users.Keywords：Micro-bloginforma
