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1、華中科技大學(xué)碩士學(xué)位論文AbstractMicroblogasamajorplatformofinformationsharingandinteractioninsocialnetwork,thedisseminationofinformationintimeandspacehaschangedobviouslyasitemerged.Userisnotonlyrecipientoftheinformation,butalsodisseminatoroftheinformationonmicrob
2、logplatform,whereby,therearetwowaysofdisseminatinginformation,oneistweetinganoriginaltweet,andanotherisretweetingother’stweets.Thedisseminationofmicrobloginformationrelysonusers’retweetingbehavior.Throughresearchingdisseminationlawofmicrobloginformati
3、onandtheintrinsicrelationshipsamongusers’retweetingbehavior,users’relationshipandmicroblogcontents,wefoundthecoreimpactfactorintheprocessofthedisseminationofinformation,thusitcouldpredictandcontrolthescopeofinformation.BasedonSinaWeibo,weacquiredinfor
4、mationofusers,relationshipsofusersandmicroblogsbycallingopenplatformAPIandcrawlingmicroblogwebpages,thenextractedandanalysedfeaturesofusers’andmicroblogcontents’information.Formalizationdefinitionsoftheretweetability,theinfluenceofkeynodeandthebasicco
5、nceptofinformationdisseminationcapacitywereprovided,andmetricmethodoftheirsweredepicted.Atlastweproposedonewayofbuildingtherelationshipnetworkofmicrobloginformationdissemination.Userreceivesatweet,performsretweetingdecisionafterunderstandingitscontent
6、.Thedecisiondependsonuser’spersonalpreferenceandunderstandingoftheinformation.Thusretweetabilitycanbedecidedafteranalyzingandcomputing.Topredictwhetheruserretweetsareceivedtweet,furtherdeterminethedisseminationscopeofmicroblog,webuiltamicrobloginforma
7、tiondisseminationmodelbasedonuserbehavioranalysismakinguseoftheretweetabilityPofuser’stweetandimpactfactorofkeynodes.Thendoadetaileddescriptionofmodelcoreidea,constructthecorrespondingalgorithm.Finally,thealgorithmwasimplementedthroughJava.Inordertove
8、rifythescientificityandefficiencyofmodel,weconductedsimulationII華中科技大學(xué)碩士學(xué)位論文andverificationexperimentofmodel.Theresultshowsthatthemodelcanpredictatweet’sretweetednumber.Keywords:Microblog,InformationDissemination,Retweet,PredictIII華中科技大學(xué)碩士學(xué)位論文