基于移動Agent的新型信息搜索系統(tǒng)的研究.pdf

1、西南農(nóng)業(yè)大學(xué)碩士學(xué)位論文基于移動Agent的新型信息搜索系統(tǒng)的研究姓名：肖毅申請學(xué)位級別：碩士專業(yè)：農(nóng)業(yè)機械化工程指導(dǎo)教師：左源瑞2002.5.1AbstractThe21stcenturyisanerainwhichthehumanbeingsaremakingfortheinformationalsocietyandinwhichnetworkisthemostimportanttoolindailylife，andtheconst

2、ructionofinformationhighwaymakesgreatprogressTheenvironmentofnetworkcomputingISalSOchangedfromClient／ServerviaClient／NetworktoClient／VirtualEnvironmentInthiscase，therearemanymcldelsofmobilecomputingsuchasthemodelofClient

3、／Server，CodeOnDemandandSOonButthesemodelshavetheirowrlshortages，forexample，intheprocessofcommunicatingwithremotehostorremoteserver，mostofthemmakeuseofsynchronouscommunication，andthewaitingtimeisverylong；whenusedinsometas

4、k，thesemodelsworkoraybyserialmodelMobileAgent，whichhaslotsofadvantagesindistributivecomputingormobilecomputing(forexample，theuseofMobileAgentmaydecreasetheamountofcommunication，andcommunicatebyasynchronousmodel)，isahybri

5、dofIntemettechnologyandArtificialIntelligenceOnringtocharacteristicsofintelligence，MobileAgentCallaecidethedestinationbyhimselfitistheveryadvantagethatCallbalancetheloadalldmakethebrowsingandsearchingmoreefficientandfast

6、erT1lesecharacteristicsofMobileAgentpromoteittobeextensivel3’appiedindistributivecomputingenvironment，suchaslhemanagementofnetwork，electronicCOllmlerce，jnformationsearch，etcThemodelofMobileAgentwiUbecomethemostimpol’押n：r

7、odfashionablewayinnetworkcomputingenviron：aent1：1futureThisthesivconstructsamodelofarchitecturebasedonAgenttheoreticalresearch，suchasAgenttheoreticalmodelandstructure111isMobileAgentSystemconsistsoffourmainparts：theseI、’

8、iceenvironmentofMobileAgent，MobileAgent，dockserver，andinformationservicecenterTbethesisfocusesonthemodelofcommunicationandthemigratingmechanismBasingonthemodelofarchitecture，wedesignabased—onMobileAgentinformationsearchi

9、ngenvironmentThetraditionalsearchenginesearchesinformationonlinebyamethodbasedonClient／Server，andkeepsgiganticinformationinserverinformationwarehouse；italsocompletelyreliesonnetworksperformance，anditdoesnotsupporttransmi

10、ttinginformationbyasynchronousmodelSowerequestapersonalizedintelligentinformation—searchingsystemCustomsubmitssearchinformationtoInformationMobileAgent(IMA)throughPersonalIntelligentAgent(PIA)，andthenIMAmovestodestinatio

11、naccordingtothqnemryscheme，whereIMAcommunicateswithInformationServerAgent(ISA)，andIS，!，eginstosearchinformationininformationwarehouseaccordingtothesearching：form：；on1MAbroughtWhenthesearchiscompleted，ISAsubmitstheconsequ