协作智能体环境下虚拟企业自由联盟构建技术研究

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1、天津大学博士学位论文协作智能体环境下虚拟企业自由联盟构建技术研究姓名：宁红云申请学位级别：博士专业：信息管理与信息系统指导教师：刘金兰20081201AbstractVirtualEnterprise(VE)isacross—geospatialprovisionalorganizationsupportedbyinformationdeliveryandmanagementonintemet．Ithasbecomethepursuitoftheimportantoperationmodeforenterprisesinthe21stcentury．Byread

2、ingthelkeraturedomesticandabroad，wecarefullyanalyzedtheproblemsofnetwork-basedenterprisealliance，deeplystudiedthetheoryarchitectureaboutreal-timecollaborativeVEnetworksystem,andthenproposedanovelnetworkedVEoperationmodel，whichinvolvessomekeyproblemsofcross—enterprisecollaborationmode

3、ling，collaborativedatamanagementandtransactionprocessing，partneronlineselectionandnegotiation,etc．Themaincontentorpossiblecreativitiesofthedissertationareasfollows：(1)Basedonvariablestructurecharacteristicofmultiplecollaborativeagentsunderdistributedcomputingenvironment，thetheoryarch

4、itectureaboutVEnetworkoperationsystemispresented．Withtheintroductionofdynamicdomain—basedorganization-mode，workflowcollaborationmodelandrole．controlmechanism,thesystemeffectivelysolvesthedynamicprogrammingandcoordinationproblemsofmultilateraloperationtoimprovetheVEtask-reorganization

5、flexibility．Thesefeaturesalsoenhancetheadaptabilityofthesystem．(2)InviewofVEcooperationdataaccessingcharacteristic，anoveldistributedcooperationdatamanagementmodelwith3-tierstructuresand4．1evelmodesisproposed，whichadoptsthecollaborationobjectanditsvirtualtablemechanisms，aswellasthemob

6、ile-agentstrategy．Baseontheideaofviewself-maintained，technologiesofsavinglimitedmaterializedview,cachingspecificdataandreal-timemonitoringdataofsameroot，areprovided．ThemodelincreasestheVEcooperationdata—accessperformancetomeetthedynamicdomain—basedworkflowprocessing．(3)Tosolvetheprob

7、lemofhightransactionmiss—rateintraditionalVEdatamanagement，whichisdifficulttoadapttothedynamicsituation,adynamicdomain—·based3PP-·Methodandsomestrategiesfordynamicmulti-versionoptimisticconcurrencycontrolandcooperationinquiryoptimizationareproposed，combiningthethreadingtechnologyandt

8、hecollaborat