数据仓库发掘隐藏财富英文版.doc

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1、AnIntroductiontoDataMiningDiscoveringhiddenvalueinyourdatawarehouseOverviewDatamining,theextractionofhiddenpredictiveinformationfromlargedatabases,isapowerfulnewtechnologywithgreatpotentialtohelpcompaniesfocusonthemostimportantinformationintheirdatawarehouses.Da

2、taminingtoolspredictfuturetrendsandbehaviors,allowingbusinessestomakeproactive,knowledge-drivendecisions.Theautomated,prospectiveanalysesofferedbydataminingmovebeyondtheanalysesofpasteventsprovidedbyretrospectivetoolstypicalofdecisionsupportsystems.Dataminingtoo

3、lscananswerbusinessquestionsthattraditionallyweretootimeconsumingtoresolve.Theyscourdatabasesforhiddenpatterns,findingpredictiveinformationthatexpertsmaymissbecauseitliesoutsidetheirexpectations.Mostcompaniesalreadycollectandrefinemassivequantitiesofdata.Datamin

4、ingtechniquescanbeimplementedrapidlyonexistingsoftwareandhardwareplatformstoenhancethevalueofexistinginformationresources,andcanbeintegratedwithnewproductsandsystemsastheyarebroughton-line.Whenimplementedonhighperformanceclient/serverorparallelprocessingcomputer

5、s,dataminingtoolscananalyzemassivedatabasestodeliveranswerstoquestionssuchas,"Whichclientsaremostlikelytorespondtomynextpromotionalmailing,andwhy?"Thiswhitepaperprovidesanintroductiontothebasictechnologiesofdatamining.Examplesofprofitableapplicationsillustrateit

6、srelevancetotoday’sbusinessenvironmentaswellasabasicdescriptionofhowdatawarehousearchitecturescanevolvetodeliverthevalueofdataminingtoendusers.TheFoundationsofDataMiningDataminingtechniquesaretheresultofalongprocessofresearchandproductdevelopment.Thisevolutionbe

7、ganwhenbusinessdatawasfirststoredoncomputers,continuedwithimprovementsindataaccess,andmorerecently,generatedtechnologiesthatallowuserstonavigatethroughtheirdatainrealtime.Dataminingtakesthisevolutionaryprocessbeyondretrospectivedataaccessandnavigationtoprospecti

8、veandproactiveinformationdelivery.Dataminingisreadyforapplicationinthebusinesscommunitybecauseitissupportedbythreetechnologiesthatarenowsufficientlymature:·Massivedat