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ID:36503937
大小:2.15 MB
页数:57页
时间:2019-05-11
《基于社会网络分析方法的WEB资源挖掘研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京交通大学硕士学位论文基于社会网络分析方法的web资源挖掘研究姓名:刘俊彬申请学位级别:硕士专业:计算机软件与理论指导教师:林友芳20080701ABSTRACTABSTRACT:Todayisanetworkinformationage,theinformationonthenetworkishuge,andincreasinginanamazingspeed.neemergenceofsearchenginecanhelp1lsgetcorrelativeinformationfromnet
2、work.Butmostofthesecorrelativeinformationarenotwhatweexactlywant,andwecan'tconfirmthattheyareaccurate.Inthismoment,thebestwayislookingfortheaccurateinformationfromauthoritativewebsite.IfthesearchengineCanofferusersthecorrelativeauthoritativewebpage,it
3、Canimprovethesearchefficiency.Inthispaper,westudytheapplicationonwebresourceminingbyusingseveralSocialNetworkAnalysismethods.AccordingthekeywordsUSerSinput,wegetthesearchresultsfromthesearchengine,andextendbytheURLwebspiderdesignedmyself,wewillgetagra
4、phwhichthemembersinithavehighsubjectcomparability。ThenweapplyRandomWalksarithmetic,DegreeCentralityAnalysisarithmetic,CohesiveSubgroupsAnalysisarithmeticonthegraphweget,miningtheauthoritativewebpageandauthoritativewebpagegroupsinthegraph.111eRandomWal
5、ksarithmeticcarlcomputetheneighborvertexes’similarityvalue,it’Stheproductofprobabilityvalueoftheyreacheachother.Ifthesimilarityvalueishigh,thewebpagescontactclosely.DegreeCentralityAnalysisarithmeticcanrankthewebpagebyauthorityvalue,theauthorityvaluei
6、sdependonthetimesthewebpagescitedbyotherwebpages.CohesiveSubgroupsAnalysisarithmeticCanminethesubgroupswhosememberscontactdosdyaccordingtotheedgedensity.Theexperimentindicatethatcombiningthethreeanalysisarithmetic,wecanminingtheauthoritativewebpageand
7、authoritativewebpagegroupsincorrelativesubject,offertheusersmoreexactinformation.Sowecanapplythesearithmetictosearchengineinaproperwayforimprovingthequalityofwebsearch.KEYWoRDS:SocialNetworkAnalysis;WebMining;CohesiveSubgroupsAnalysis;RandomWalks;Degr
8、eeCentralityAnalysisCIASSNo:TPl82学位论文版权使用授权书本学位论文作者完全了解北京交通大学有关保留、使用学位论文的规定。特授权北京交通大学可以将学位论文的全部或部分内容编入有关数据库进行检索,并采用影印、缩印或扫描等复制手段保存、汇编以供查阅和借阅。同意学校向国家有关部门或机构送交论文的复印件和磁盘。(保密的学位论文在解密后适用本授权说明)学位论文作者签名:坼爹坞签字日期:w竭年7月L口日警名}獬户燧叼锄加独创性声明本人声明所呈交的学位论文是本人在导
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