微博数据分析中的若干关键问题研究

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1、摘要关键词：微博数据分析、微博可信性、用户可信性、微博事件的预测IIAbstractAsmicroblogplatformssuchasTwitter,SinaWeiboandTencentWeibobecomemoreaIldmorepopular,microbloghasbeenapartofourdailylife，andactsaSoneofthemaincommunicationtools．Withmoreandmoreuser,moreandmoreusage，1arge锄ountsofdatahasbeengeneratedonmi

2、croblogplatforms·Thedatacontainsvaluableinformation，sparemessages，rumorsandfakenews·SodataaIlalvsisonmicroblogattractsmoreandmorepeople’sattentionandhasbecomeahotresearchtopic．Ourworkm础1lyfocusesontwokeyissuesonmicroblogdataanalysis：newsinfomationcredibilityandeventprediction

3、onmicroblogplatforms·Researchesonnewsinf．onnationcredibilityaremainlyabouttheextractionofnewsworthymicroblogsandinformationcredibilityjudgment．Microblogplatformsareopentoeverybody,everyusercarlsaywhateverhewantstosay,SOtherearemanyiaKemessages砌dnewsspreadontheplatformsintenti

4、onallyorunintentionally,someottllemmayhurtsomeoneorcausealargedamagetocompames，organizationsorcou】1tries．Sonewsinformationcredibilityonmicroblogplatformsismeaningfultopeople，compalliesandcountries，andthisisthereasonwhywedoresearchon1t·Researchesoneventpredictiononmicroblogpla

5、tformsaimtopredictthe仃endsofmicroblogsi11t11e鼬e，suchastheretweettimes．EventpredictionCanbehelpfulindecisionmakingforcompaniesandgovemmentdepartments·ItcallhelPcomp撕esmakingthebestmarketingstrategyandalsohelpgoVemmemmmonito曲gpublicopinionandemergencytreatment．So，themaincontrib

6、utionofthlspapercanbesummarizedasfollows：(11Weproposeanalgorithmtodetectnewsworthyinformatlontrommicroblogs．Ouralgorithmfirstlysubmitsthecontentofmicroblogasaquerytothesearchenginesandanalyzethereturnedresults，thenconsidersthecredibilityofURL．thesimilaritybetweentheabstractan

7、dthemicroblogandnewsfeaturesmmicroblogstodecidewhetherthemicroblogisnewsworthyornot·Theexperimentalresultsprovetheeffectivenessofouralgorithm·(2)Wepresentanewmethodonusercredibilityevaluation，themethodISmainlvbasedonthemicroblogsthattheuserhaspublished．What’smore，intheprocess

8、ofinformationcredibilityjudgment，weuseamethodthatdoesn’tdependonIIlA