Objectoriented database support for software project management environments datamodelling issuesWord文档下载推荐.docx
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Objectoriented database support for software project management environments datamodelling issuesWord文档下载推荐.docx
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ArticleOutline
1.Introduction
2.Problemstatement
3.Modelinfrastructure
3.1.Dynamicanalysisschema
3.2.Finiteelementmodelschema
3.3.Structuralanalysisresultsschema
3.4.Relationshipsschema
4.Modelassessment
4.1.Modelschemataassessment
4.2.Modelrealizationassessment
5.Concludingremarks
Acknowledgements
References
informationsystemswithprojectteamsusingethnographic–actionresearch
AdvancedEngineeringInformatics
Architecture,engineering,andconstruction(AEC)projectsarecharacterizedbyalargevariationinrequirementsandworkroutines.Therefore,itisdifficulttodevelopandimplementinformationsystemstosupportprojects.Toaddressthesechallenges,thispaperpresentsaproject-centricresearchanddevelopmentmethodologythatcombinesethnographicobservationofpractitionersworkinginlocalprojectorganizationstounderstandtheirlocalrequirementsandtheiterativeimprovementofinformationsystemsdirectlyonprojectsinsmallactionresearchimplementationcycles.ThepapershowsthepracticalfeasibilityofthetheoreticalmethodologyusingcasesfromAECprojectsinNorthAmericaandEurope.Thecasesprovideevidencethatethnographic–actionresearchiswellsuitedtosupportthedevelopmentandimplementationofinformationsystems.Inparticular,thepapershowsthatthemethodenabledresearchersonthecasestoidentifyspecificproblemsonAECprojectsand,additionally,helpedtheseresearcherstoadaptinformationsystemsaccordinglyinclosecollaborationwiththepractitionersworkingontheseprojects.
2.AECprojectsandinformationsystemstoday
3.ImplementationanddevelopmentchallengesforAECinformationsystems
4.Ethnographic–actionresearch
5.Informationsystemimplementationanddevelopmentwithethnographic–actionresearch
6.Informationsystemstosupportconstructionsequencing
7.Informationsystemstosupportthecoordinationofbuildingsystemdesignandconstruction
8.Implications
9.Limitations,boundaryconditions,andoutlook
10.Conclusion
Anintegratedsystemsengineeringapproachtoaircraftdesign
ReviewArticle
ProgressinAerospaceSciences
GroupSupportSystem(GSS)isasetoftechniques,softwareandtechnologydesignedtofocusandenhancethecommunication,deliberationsanddecision-makingofgroups.ThethousandsofGSSexperimentalstudiesandfieldstudiesthathavebeenconductedinthepast2decadesdemonstratethatGSSissuccessfulinimprovingtheefficiency,reliabilityandqualityofthegroupdecision-makingprocessinmeetings.ThispaperaimstointroducetheapplicationofGSStosupportValueManagement(VM)studiessoastoimprovetheimplementationofVMintheconstructionindustry.ItbeginswithanintroductiontoVMandtheproblemsofimplementingVMinconstruction,e.g.lackofinformation,lackofparticipationandinteractionanddifficultiesinconductingevaluationandanalysis.ThisisfollowedbyadescriptionofaGSSframeworkforVMstudiesandaspecificGSSprototypesystemtoillustratehowthisframeworkcanprovidesupportindiscussion,information,collaborationanddecisionanalysistoovercometheexistingproblemsinVMstudies.ThetrialrunoftheprototypebyprofessionalsandthebenefitsofusingtheproposedsysteminVMstudieshavealsobeendiscussedindetail.
2.ProblemsofimplementingVMstudiesinconstruction
2.1.Lackofinformation
2.2.Lackofparticipationandinteraction
2.3.Difficultyofconductingevaluationandanalysis
3.DesignofaGSSforVMstudiesinconstruction
3.1.Technologiesusedintheproposedsystem
3.2.IVMS—aprototypeGSSforVMstudies
3.2.1.Discussionsupport
3.2.2.Informationsupport
3.2.3.Collaborationsupport
3.2.4.Decisionanalysissupport
4.TrialrunoftheGSSinaVMstudy
5.Conclusions
integratedmethodologyforevaluatingconceptualbridgedesign
ExpertSystemswithApplications
processstandardizationinthedevelopmentofsoftwarewillimprovetheefficiencyofthedevelopmentprojectbythevirtuesofapplyingalearnedprocedureandtightcontrols.Pastresearch,however,isinconclusiveintheelementsthatmustbeinplacetoachievethebenefits.Inthisstudy,weemploythesoftwarequalityprincipleofflexibilityasamediatorvariabletodetermineifcertaindesignaspectsplayakeyroleinachievingthebenefitstotheprojectofprocessstandardization.Asurveyofcomputerprofessionalsindicatesthatsoftwareflexibilityisapositiveinfluence.Systemdesignersshouldapplystandardprocessesbutwithaneyetowardqualitydesignprinciples.
2.Backgroundstudiesandtheory
2.1.Hypotheses
3.Methods
3.1.Sample
3.2.Constructs
3.3.Externalvalidity
3.4.Analyticalprocedures
3.5.Measurementmodel
4.Results
4.1.Structuralmodel
5.Discussion
EngineeringresearchprojectsinprofessionalapplicationofresearchresultstopromotetheGrouptoprovidetechnicalsupportformajorprojects
ThebasictheoryofbridgeengineeringstructuralengineeringsoftwareAutocadXsteelmidassap2000designandconstructionspecifications
GroupSupportSystemforimprovingvaluemanagementstudiesinconstruction
AutomationinConstruction
ThechallengeinAerospaceEngineering,inthenexttwodecadesassetbyVision2020,istomeetthetargetsofreductionofnitricoxideemissionby80%,carbonmonoxideandcarbondioxidebothby50%,reducenoiseby50%andofcoursewithreducedcostandimprovedsafety.Allthismustbeachievedwithexpectedincreaseincapacityanddemand.Suchachallengehastobeinabackgroundwheretheunderstandingofphysicsofflighthaschangedverylittleovertheyearsandwhereindustrialgrowthisdrivenprimarilybycostratherthannewtechnology.
Thewayforwardtomeetthechallengesistointroduceinnovativetechnologiesanddevelopanintegrated,effectiveandefficientprocessforthelifecycledesignofaircraft,knownassystemsengineering(SE).SEisaholisticapproachtoaproductthatcomprisesseveralcomponents.Customerspecifications,conceptualdesign,riskanalysis,functionalanalysisandarchitecture,physicalarchitecture,designanalysisandsynthesis,andtradestudiesandoptimisation,manufacturing,testingvalidationandverification,delivery,lifecyclecostandmanagement.Further,itinvolvesinteractionbetweentraditionaldisciplinessuchasAerodynamics,StructuresandFlightMechanicswithpeople-andprocess-orienteddisciplinessuchasManagement,Manufacturing,andTechnologyTransfer.
SEhasbecomethestate-of-the-artmethodologyfororganisingandmanagingaerospaceproduction.However,likemanywellfoundedmethodologies,itismoredifficulttoembodythecoreprinciplesintoformalisedmodelsandtools.ThekeycontributionofthepaperwillbetoreviewthisformalisationandtopresenttheverylatestknowledgeandtechnologythatfacilitatesSEtheory.Typically,researchintoSEprovidesadeeperunderstandingofthecoreprinciplesandinteractions,andhelpsonetoappreciatetherequiredtechnicalarchitectureforfullyexploitingitasaprocess,ratherthanaseriesofevents.
Therearemajorissuesasregardstosystemsapproachtoaircraftdesignandtheseincludelackofbasicscientific/practicalmodelsandtoolsforinterfacingandintegratingthecomponentsofSEandwithinagivencomponent,forexample,lifecyclecost,basicmodelsforlinkingthekeydrivers.ThepaperwillreviewthecurrentstateofartinSEapproachtoaircraftdesignandidentifysomeofthemajorchallenges,thecurrentstateoftheartandvisionsforthefuture.Thereviewmovesfromaninitialbasisintraditionalengineeringdesignprocessestoconsiderationofcostsandma
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