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ID:37500537
大小:4.12 MB
页数:65页
时间:2019-05-24
《面向电子政务的多维数据挖掘研究》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、华南理工大学硕士学位论文面向电子政务的多维数据挖掘研究姓名:隋静婵申请学位级别:硕士专业:机械设计及理论指导教师:刘就女20040425华南理丁大学工学硕士论文AbstractWiththewaveofurbaninformation,e-governmentand“digitalcity’’projectbuildsupmanydatabasewhichusedindailygovernmentoperationandpublicinformationservice.Thiskindofdatabaseincludesnon—spatialinformat
2、ionandspatialinformation,Bynow,thegreateffectondatabaseusinghasnotbeenseen.MostutilizationofthedataistOqueryinginformationorsummingrecords.OnlythiswaytousingthedatacannothelpUStofindtherelationshipsandrulesindata,andcannothelpUStopredictfuturetrendsbytoday’Sdata.Wecannotprovidehelp
3、fuldecisionsupportingforurbanplanningandcitymanagement,thuswegetthephenomenawhichcalled‘informationexplodingandknowledgelacking’.Fromtheviewpointofdataminingandspatialinformationdatamining,wecanmakefusionofcensusdatawithfoundationurbangeographicinformationandotherthematicinformatio
4、nofe—government.Furthermore.wecanvisualizetheresultofdatamining.So,thisresearchaspecthasimportantacademicvalueandapplicationvalue,ThispaperputupakindofschematOexecutingdataminingincensusstatisticalinformationsystembasedone—government.Webuildupthedatawarehouseanddatamodelfordatamini
5、ng,anddosometestsaboutdataslice.Afterthis,wegivethealgorithmbasedonclassificationrulesofconcepthierarchy.Thetechnologyofinductionbasedonattributingisdescribed.Andtheresultofalgorithmexperimentoncensusstatisticalinformationsystemshowsthismethodcanefficientlygenerateadecisiontreewith
6、beforehandknowledge.Thisalgorithmimprovesthetraditionalgeneralizationalgorithm.Therulescomesfromthisalgorithmismoresimpleandbetterforunderstanding.Consideringthecensusdatacorrelatingwiththespatialposition,dataminingalgorithmbasedonattributesinformationcannotgettheproperknowledge.So
7、,weadvanceaframeworkaboutspatialinformationdataminingine-governmentfield.Thisframeworkhasconsiderationofspatialdata’Scharacteristicandthedatarelationshipofspatialdataandattributesdata.Thisfameworkintegratesmanyspatialdataminingmethodsandprovidesausermutualinterfaceandknowledgecontr
8、01.Weputadensitybasedspati
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