英文文献及翻译计算机专业.doc

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1、外文资料翻译—英文原文NET-BASEDTASKMANAGEMENTSYSTEMHectorGarcia-Molina,JeffreyD.Ullman,JenniferWisdomABSTRACTInnet-basedcollaborativedesignenvironment,designresourcesbecomemoreandmorevariedandcomplex.Besidescommoninformationmanagementsystems,designresourcescanbeorganizedinconnectionwithdesignactivities.Aset

2、ofactivitiesandresourceslinkedbylogicrelationscanformatask.Ataskhasatleastoneobjectiveandcanbebrokendownintosmallerones.Soadesignprojectcanbeseparatedintomanysubtasksformingahierarchicalstructure.TaskManagementSystem(TMS)isdesignedtobreakdownthesetasksandassigncertainresourcestoitstasknodes．Asare

3、sultofdecomposition.al1designresourcesandactivitiescouldbemanagedviathissystem.KEYWORDS：CollaborativeDesign,TaskManagementSystem(TMS),TaskDecomposition,InformationManagementSystem1IntroductionAlongwiththerapidupgradeofrequestforadvanceddesignmethods,moreandmoredesigntoolappearedtosupportnewdesign

4、methodsandforms.Designinawebenvironmentwithmulti-partnersbeinginvolvedrequiresamorepowerfulandefficientmanagementsystem.Designpartnerscanbelocatedeverywhereoverthenetwiththeirownorganizations.Theycouldbemutuallyindependentexpertsorteamsoftensofemployees.Thisarticlediscussesataskmanagementsystem(T

5、MS)whichmanagesdesignactivitiesandresourcesbybreakingdowndesignobjectivesandre-organizingdesignresourcesinconnectionwiththeactivities.Comparingwithcommoninformationmanagementsystems(IMS)likeproductdatamanagementsystemanddocumentmanagementsystem,TMScanmanagethewholedesignprocess.Ithastwotierswhich

6、makeitmuchmoref1exibleinstructure.The1owertierconsistsoftraditionalcommonIMSSandtheupperonefulfills外文资料翻译—英文原文logicactivitymanagementthroughcontrollingatree-likestructure,allocatingdesignresourcesandmakingdecisionsabouthowtocarryoutadesignproject.Itsfunctioningparadigmvariesindifferentprojectsdep

7、endingontheproject’sscaleandpurpose.Asaresultofthisstructure,TMScanseparateitsdatamodelfromitslogicmode1.Itcouldbringaboutstructureoptimizationandefficiencyimprovement,especiallyinalargescaleproject.2TaskManagementinNe