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ID:34150001
大小:11.89 MB
页数:70页
时间:2019-03-03
《微博数据分析中的若干关键问题研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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
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