数字图书馆的系统整合-研究

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1、softwaredesigningandsomemodulesinitaredesignedanddiscussedinthepaper．TheFirstlayeroftheframeworkisresourcedatabaseswhichaleconsistedofmetadatadepositories，digitalobjects，systemcontroldata，standardJprotocolset，andknowledgedatabase．Eachdatabasemaybelocatedatlocalorasallisolat

2、edepository．Theyalsomayhavetheirownwebinterface，buttheyshouldhavestandardinterfacewhichusedto扛ansfcrdatawiththeintegratingsystem．．Thesecondlayerisapplicationlayer．ItcontainsvariedservicesofsystemandtheControlModuleswhichisthebraintocontrolalr÷proceduresanddataflowinthis鸵Tee

3、r．TheInteroperabilityModuleis，responsefortransferdatawithothersystems．ItcarcollectmanykindsofdatafromoutsidebystandardprotocolsuchasOAI，2；39．50maditcan·alsoprovideinterfacesfordistributedsystemsaccess．；TheDataTreatmentModuleisinchargeofdataprocessing．Whendatacome丘DmtheInter

4、operabilityModule，itcallcombineordispersethesedataaccordingtothestandardsetsandcontrolmessagedambase．Theknowledgedatabasealsocouldbe．：ltCCeSSedwhencurrcntmoduleiscommandedbytheControlModuleforsupplyingrelatedknowledgetOuser．TheControlModuleallocatessearchingjobstotheInterop

5、embilityModulewhileitgetsqueryfromUSer．TheInteropembilitygetsthequerystringandcommunicateswithothersystemsbyappointedprotocolandinterface．AfIcrharvestsdatafromoutside，theInteroperabilityModulesendsittotheControlModule，thenthedataispassedtotheDataTreatmentModulebytheControlM

6、oduleforcombiningwithlocaldataorknowledge．TheorganizeddatawillbesentbacktotheConlrolModuleandwillbedeliverytouserinterfaceatlast．Thethirdlayeristheusel"interfaceinthatportalisintroducedforthebasicserviceplatformofintegrationsystem．TheinterfacecouldbecustomizedbyUSerincludin

7、gstyle，color,label,banner,subjects，favoritedatabases，etc．Thereisalsopushedmessagesonhomepageinthatisusernotificationssuchasclaimingovertimebook,notesofavailableoforderedjoumals，systemannouTICC．TheportalmayidentifynativelanguagesandreorganizethemintOcomputerreadablequerystri

8、ng．Themulti—languagesupportisalsotheoptionsforUSerwhichcandisplaylanguageUSerprefe