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1、浙江大學碩士學位論文組件式DSS開發(fā)環(huán)境的研究與設(shè)計姓名：王黎敏申請學位級別：碩士專業(yè)：計算機應用指導教師：陳奇2002.3.7浙江大學碩士學位論文ABSTRACTComponentBasedDevelopmentprovidesdeveloperswithamethodforbuildingapplicationsthatareflexibleandabletoaccommodatetheever-changingdemandsofusersinacost·efficientandtimelymanner．Inthisarticle，t

2、heauthorpresentsthedesignofaDSSDevelopingEnvironmentusingcomponent-basedapproach．ThisenvironmentprovidesavisualizedDSSdevelopingplatform,whichintegratestraditionalModelbasetechnologyandmodemdecisionsupporttechnologiessuchasDataWarehouseandoLAPThearticlebeginswithanintrodu

3、ctionoftheconceptionandmethodofComponent—BasedDevelopment．Afterthat，itbrieflyintroducesthedevelopmentofDSSandsomeimportanttechnologiesthatareboundupwithDSS．Theauthorthenputdueemphasisonthearchitecturedesign,functiondesign,componentdesign，andimplementationtechnologiesofthe

4、system．Fromtheprocessofapplyingcomponent-basedideatothedesignofthesystem，theauthorhasderivedsomeprinciplesfordeterminingthecomponentboundariesandfindinginterfaces．Inthedevelopingenvironment,themodelbaseisacomponentrepositoryratherthanrepositoryformodelsbuikwithspecificmod

5、eldescribinglanguage．Theauthorexpoundsthetechnologyofhowtoload，call，andmanagethecomponentsdynamically．Anotherkeypointofthearticleisbringinguptheideaof“DataBackflow'’，thatistosendthedecisionofpolieymakerdirectlybackintothedatabase．Theimplementationtechnologyfor‘'DataBacldl

6、ow'’isexpoundedinthearticle．‘'DataBackfloW’enablestheintegrationofManagementInformationSystem呷S)andDSS．Theauthoralsodiscussedotherimplementationtechnologies。suchassettingupOLAPqueriesbasedonrelationaldatabase,applyingXMLtodatastoreandcommunicationbetweencomponents．Keyword

7、sComponentBasedDevelopment；Component；Interface；DecisionSupportSystem；Modelbase；DataWarehouse；OLAP；XML2浙江大學碩士學位論文第1章緒論本章概要介紹了組件化軟件結(jié)構(gòu)，以及決策支持系統(tǒng)的歷史和研究進展。然后提出了本文的研究內(nèi)容：組件化決策支持系統(tǒng)開發(fā)環(huán)境的研究與設(shè)計。1．1組件化軟件結(jié)構(gòu)概述在計算機軟件發(fā)展的早期，一個應用系統(tǒng)往往是～個單獨的應用程序。應用越復雜，程序就越龐大，系統(tǒng)開發(fā)的難度也就越大。另一方面，系統(tǒng)的維護也相當?shù)睦щy。一旦系統(tǒng)的

8、某個版本完成以后，在下個版本出來之前，應用程序不會再有所改變。而對于龐大的程序來講，更新版本的周期很長。在兩個版本之間，如果由于操作系統(tǒng)發(fā)生了變化，或者硬件平臺有了變化，則應用系統(tǒng)就很難適應這