欢迎来到天天文库
浏览记录
ID:27262503
大小:1.22 MB
页数:78页
时间:2018-12-02
《基于群体智能的微博公众情感预测方法》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、...华中科技大学硕士学位论文AbstractWiththerapiddevelopmentofmicroblog,moreandmoreusersarelikelytoexpresstheiropinionsaboutsomehottopicsoreventsonmicroblog.Themicroblogincludesnotonlythefactinthedescriptionofobjectiveinformation,butalsosubjectiveinformationsuchastheauthor'sattitude,opinionandpointofview.In-depth
2、studyofthesesubjectiveinformationhiddeninmicroblogcanhelpusunderstandtheimpactofhottopiconindividualsentimentstate,analyzethepublicsentiment,andforecastthetendencyofpublicsentiment.Inordertosolvetheproblemthatmostsentimentanalysismethodsonlytakethemessageintoaccount,anoptimizationisproposed,whichtak
3、esthemicrobloguserandtheuser'sbehaviorintoaccount.Fortheproblemofignoringmicroblogusersandmicroblogsocialnetworkinmicroblogpublicsentimentprediction,whicharemostlybasedonmathematicalstatisticalmethods,amethodbasedonswarmintelligenceisproposed.Thispredictionmethodtakesmicrobloguser'sweight,sentimentf
4、luctuationandsentimentconsistency,anditincludestwoparts.Thefirstpartisself-evolvingwhichrepresentstheemotionalchangesofthemicrobloguserself,andthesecondpartismutual-evolvingwhichrepresentstheemotionalinfluencesfromothermicroblogusers.Themicrobloguser'ssentimentfluctuationandsentimentconsistencyareba
5、sedonthesentimentanalysisofthehistorymessagesofthemicrobloguser.Ourexperimentresultsindicatethattheaccuracy,recallandF-scorecanbesignificantlyimprovedbytheoptimizationatsentimentanalysis.Andwefindaimprovementofaccuracyofthemethodproposedcomparedwiththemethodbasedon leastsquare.Keywords:Microblog,Sen
6、timentAnalysis,PublicSentiment......II......华中科技大学硕士学位论文目录摘要........................................................................................................IABSTRACT..................................................................................................II目录.........................
7、.............................................................................III1绪论1.1课题研究背景....................................................................................(1)1.2课题的研究目的和意义........
此文档下载收益归作者所有