粒计算在数据挖掘中的应用研究

《粒计算在数据挖掘中的应用研究》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、西南交通大学硕士学位论文粒计算在数据挖掘中的应用研究姓名：赵小龙申请学位级别：硕士专业：计算机应用技术指导教师：杨燕20070101西南交通大学硕士研究生学位论文第1I页AbstractGranularcomputingwasfirstputforwardin1997byTX．Lin，aprofessorintheuniversityofSanJoseState，USA,whichhasmarkedtheemergenceofanappliedresearchareainvolvingmulti—subjects．Gran

2、ularcomputingisallemergingresearchmethodtodealwithinformationandknowledgeprocessingwhichisanumbrellatermtocoveranytheories，methodologies，techniquesandtoolsthatmakeUSeofgranulesinproblemsolving．Itplaysanimportantroleintheprocessingforfuzzy,uncertain，partial，andhuge

3、information．DataMiningservesasanimportanttoolforminingnumerousdata,andsomemethodshavebeenwellestablished．Inrecentyears，manyresearchersabroadhaveexploredandinvestigatedtheapplicationofgranularcomputingtodatamining．Theyhaveputforwardsomemodelsandmethods。enablinggran

4、ularcomputingtobewidelyusedindatamining．Thetheoryofgranularcomputing,whichadoptstheprincipleofgranularitytodealwithandsolvematters．isallinnovationofsometraditionalwaysofdatamining．ItdesignsandconstructsgranuleorgranularityaccordingtooneormoremattersOrtheories，andi

5、tuntilizestheconstructedgranuleorgranularitytocomputeandanalyzethematters，whichintheendleadstoasolution．Thepresentthesisfirstsystematicallyclarifiesthetextclusteringmethodandtheanalysisofdrawingassociationrules．Secondly,thethesisgivesadetailedintroductionofthetheo

6、riesrelatedtogranularcomputingandthestatusofitsapplicationtodatamining．Basedonthestudyabove，thethesisfurtherputsforwardamethodofwebdocumentclusteringbasedongranularcomputing(WDCGrc)andamethodbasedongranularcomputingtoefficientlyobtainassociationrulesindecision—mak

7、ingrelationdataset．Inthispaper，amethodofwebdocumentclusteringbasedonthegranularcomputingispresented．ThemethodcomputestheweightvalueofthewordsindocumentsbyadoptingtheTF·IDFprinciple．Meanwhile，combiningwaysdefiningdocumentsthresholdandaverageweightvalueareadoptedtor

8、educedimensionsandextractthekeywordsineachdocument．Themethodestablishesthetransformation西南交通大学硕士研究生学位论文第1II页betweenthekeywordsindocumentsandthebinarygra