基于Web的开放式决策支持系统研究

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1、华中科技大学博士学位论文基于Web的开放式决策支持系统研究姓名：谢勇申请学位级别：博士专业：系统工程指导教师：王红卫20030219华中科技大学博士学位论文AbstractWebtechnologyfacilitatesconvenientsharingdecisionresokH'cesformostofthepeople．Italsoacts嬲agoodplatformtoorganizeandmanagedecisionresources．ItisanattractiveworktoapplyWebtechnologies

2、toenhanceDSSapplicationsanddevelopWeb-baSedDSS．ItwillenrichthetheoryofDSSandpromotemoreflexibleandefficiencyDSSgreatly．Ontheotherhand，adoptingDSStoWebapplicationswillacceleratethedevelopmentofusefulInternetservices．SothecombinationofWebandDSSistheleadingtrendofDSSasw

3、ellasthedevelopmentrequirementsofIntemetservices．Onthisbackground，weproposeaconceptualframeworkforweb—basedOpenDSS(WODSS)andpursuesomekeysubjectsaboutit．Westart01．1Iresearchfi'omthebasicideasandconceptsofWODSSandgiveaformaldefinitionforit．Basedonthiswork，wepresentane

4、wconceptuaIframeworkofWODSSbasedonbrowser／broker／servercomputingmode．Anditemployselectronicmarkettomediatedecision-makersandprovidersandfacilitatesharingandreusingofdecisionresources，whichisagoodgroundworkforfurtherresearch．Wealsoexploreandanalyzethestructure，functio

5、nsandmodelofelectronicmarket．Onthebasisoftheconceptofaccessauthorityandrole，wepresenttheformaldefirdtionsofplayers’structure,objectsstructure，timestructureandspacestructureforelectronicmarket．Accordingtotheproblemsthatelectronicmarketwillbefacedwith，wedesignsomefunct

6、ionstosolvetheseproblems，Thenwedefinetrademodelofelectronicmarketandgveanalgorithmandknowledgetreeforestablishingtrademodel．Weanalyzethetradeprocessindetailandb打ngforwardatradepartnersselectionalgorithm．Finally，weprobeintothe‘lemon’phenomenonandadverseselectioninelec

7、tronicmarketandtakesomemeasurestosolveitOnthebasisofelectronicmarket，weinvestigategroupcooperationdecision·makingprocessinWODSS．WeextendcontractIletprotocolaecordingtotherequirementsofWODSSandproposeagroupcooperationdecision-makingmodel．Weexplorethestructureandfuncti

8、onsofthismodel，discovertheinsidemechanismsofgroupcooperationdecision—making．Finally，weemployallexampletoillustrateandsupporttheprop