信息管理與信息系統(tǒng)專業(yè)畢業(yè)論文中英文譯文(編輯修改稿)
2025-07-21 03:51 本頁面
【文章內(nèi)容簡介】 C：譯文BusinessIntelligenceandDataWarehousing:DefinitionsandBenefitsDuetocontinuousinnovationindataprocessing,moreandmoreinformationisstoredinamoredetailedformat.Asaresult,thereisaneedtobothreduceandstructurethisdatasoitcanbeanalyzedmeaningfully.Theanalysisnecessarytocreate.businessintelligence.fromthecollectedrawdatarequiresavariedtoolset.Tosetthestage,let’sfirstdefinebusinessintelligencegenerically.InaGooglesearchforbusinessintelligence,attributedthetermbusinessintelligencetoaSeptember,1996GartnerGroupreport:Businessintelligence(BI)isabroadcategoryofapplicationsandtechnologiesforgathering,storing,analyzing,andprovidingaccesstodatatohelpenterpriseusersmakebetterbusinessdecisions.BIapplicationsincludetheactivitiesofdecisionsupportsystems,queryandreporting,onlineanalyticalprocessing(OLAP),statisticalanalysis,forecasting,andDataMining.ForthegenericdefinitionofaDataWarehouse,IthinkweneedtogivethecredittooneofthegurusofDataWarehousing.BillInmon..In1990Mr.InmondefinedaDataWarehouseasfollows:In1990,BillInmondefinedaDataWarehouse:Awarehouseisasubjectoriented,integrated,timevariantandnonvolatilecollectionofdatainsupportofmanagement39。sdecisionmakingprocess.Amoretechnicaldefinitionmightbe:thesubsetofaBusinessIntelligencetoolsetresponsibleformodeling,structuring,storingaswellasextractiontranslationandloading(ETL)oftheunderlyingdataneededforanalysis.Soinsummary,BusinessIntelligencesoftwareisthecollectionofapplicationsneededtomakesenseofbusinessdata.TheDataWarehouse,aponentofthisBusinessIntelligencetoolset,isthemorespecifictoolresponsibleforthecleanup,loading,andstorageofthedataneededbythebusiness.AlthoughwewilladdresstheoverallBItoolsetinthenextlesson,thisclassfocusesontheDataWarehouseponent.ADataWarehousecanhelptoorganizethedata.ItbringstogetheralloperativeDataSources(thesearemostlyheterogeneousandhavedifferingdegreesofdetail).Thejobofthewarehouseistoprovidethisdatainausableformtothewholeorganization.Thedatacanthenbeusedforfuturerequirementsastheneedarises.Awarehousehasthefollowingproperties:C10重慶郵電大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文）附件 附件C：譯文?Readonlyaccess:Usershavereadonlyaccess,meaningthatthedataisprimarilyloadedintotheDataWarehouseviatheextraction,transformationandloading(ETL)process.?Crossorganizationalfocus:DataSourcesfromtheentireorganization(production,salesanddistribution,controlling),andpossiblyexternalsources,makeupthebasisofthesystem.?DataWarehousedataisstoredpersistentlyoveraparticulartimeperiod.?Dataisstoredonalongtermbasis.?Designedforefficientqueryprocessing:Thetechnicalenvironmentanddatastructuresareoptimizedtoanswerbusinessquestions.nottoquicklystoretransactions.R.Kimball,anotherguruofDataWarehousing,definesaDataWarehouseas.Acopyoftransactiondata,speciallyrestructuredforqueriesandanalyses..(TheDataWarehouseToolkit,1996,page310).BusinessIntelligenceSystemsObjectivesAmodernBusinessIntelligencesystemmustmeetthefollowingrequirements:Standardizedstructuringanddisplayofallbusinessinformation:Decisionmakersurgentlyneedreliableinformationfromtheproduction,purchasing,salesanddistribution,finance,andhumanresourcesdepartments.Theyrequireanuptodateandprehensivepictureofeachindividualbusinessareaandofthebusinessasawhole.ThisresultsinhighdemandbeingputonthedatacollectionprocessfromtheunderlyingDataSources.Thedataisdefineduniquelyacrosstheentireorganizationtoavoiderrorsarisingthroughvarieddefinitionsindifferentsources.Simpleaccesstobusinessinformationviaasinglepointofentry:Informationmustbebinedhomogeneouslyandconsistentlyatacentralpointfromwhichitcanbecalledup.Forthisreason,modernDataWarehousesusuallyrequireaseparatedatabase.Thisdatabaseenablesastandaloneapplicationenvironmenttoprovidetherequiredservices.Highlydevelopedreportingforanalysiswithselfserviceforallareas:Intermsofpresentation,efficientanalysisandmeaningfulmultimediavisualizationtechniquesareessential.Thesystemmustbeabletocopewiththeinformationneedsofvariedusergroups.Quickandcostefficientimplementation:WhenimplementingtheDataWarehouse,aninfluentialcostfactorisitsintegrationintoanOLTPsystemandthestraightforwardC11重慶郵電大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文）附件 附件C：譯文loadingofheterogeneousdata.Alongsiderobustmetadatamanagement,deliveredbusinessbasedBusinessIntelligencecontentalsohasanimportantrolehere.Highperformanceenvironment.Datamodelingfromheterogeneoussources:DataanalysescannotbecarriedoutviaDataWarehousewithoutintegratingheterogeneoussources.Thisisusuallydonewithtimeconsumingreadprocesses.Schedulingtoolsaren
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