lywantyoutobeobservantandnamethings,andlearnhowtoshowwhatyou'veseeninawaythatchangeshowotherpeopleseetheworld.
Assignmentforweek4:Growthofthetechnology.Eachteamagaingetsadistinctassignment,thistimeinvolvinglibraryworkonthestateofinformationtechnologytenyearsfromnow.BecauseofMoore'sLawandrelatedphenomena,wecanpredictreasonablywellthequantitativepropertiesofcomputing.Processors,forexample,willbe100timesfaster.Whataboutmassstorage,memorychips,wirelineandwirelessbandwidths,penetrationratesofthetechnologiesbothdomesticallyandglobally,andsoon?Whatimportantstandardswillbewidelydeployedbythen?Showuswhatyou'vefound.
Assignmentforweek5:Layering.Buildingonlastweek,wewilldoanexerciseabouttheconceptofaplatform:aserviceuponwhichadiversityofotherservicescanbebuilt.Thehardpartisfiguringoutwhatbelongsinthegenericservice,andwhattheinterfaceshouldlooklikebetweentheplatformandtheservicesthatarebuiltonit.Thisisgoingtobeacentralconceptfordesigninthefuture.Bythistimewewillhavediscussedseveralexamplesofplatforms.
Assignmentforweek6:Showusyourcollaborationpatterns.Allthewhileyou'vebeendocumentingyourteam'sworkprocess.Thismightmeankeepingnotes,takingpictures,drawingdiagrams,videotaping,savingyourwork,etc.Youhaveprobablyalsosettledintosomethingofaroutine.Showushowyouworktogether.Alongthewaywewillofferseveralideasaboutwhattolookfor.Forexample,whereistheborderlinebetween"routine"and"improvised"?Thiswillbeimportantinthecomingweeksaswemesswiththetraditionalconceptsofsystemsanalysis.Thisisthefirstweekofasix-weekiterativedesignexercise.
Assignmentforweek7:Ontologyofcollaborativework.Datamodelingistheonlyideafromtraditionalsystemsanalysisthatisintellectuallyhard,sowewillspendsomeextratimeinclassworkinganexampleofit.Thenyourassignmentwillbetomodelthedatathatwillberequiredtoimplementoneormoreofyourprospectiveservices.Whereasearlierassignmentshavecalledonyoutoinventyourownrepresentationschemes,forthisassignmentwe'llhaveyouuseaconventionalnotationschemefordatamodels.Havingdoneso,sketchaninformationservicethatyoumightliketodesigntosupportcollaborativeworkactivities.
Assignmentforweek8:Servicedesign.Nowitistimetospelloutthedetailsofapotentialinformationserviceforcollaborativework.Toprepareforthis,thinkaboutyourservicefromseveralangles.Whatinstitutionalrolesarepeopleplayingastheyusetheservice?Wherearetheylocated?Whatactionsdotheyneedtotake?Whogetsaccesstowhatinformation?Whocreatesthedatathatgoesinthedatabases?Whichpartsofthedatashouldbestructured,andwhatshouldthestructurebe?Whatexistingservicesdoesyourserviceexchangedatawith?Andsoon.Havingexploredallofthesequestions,drawadataflowdiagramfortheserviceyouaredesigning,decomposingthedesignintoenoughcomponentprocessesanddatabasestogetaclearideaofitsproperties.
Assignmentforweek9:Informationdesign.Usingcardboard,crayons,glue,andothermaterialsfoundinkindergartenclassrooms,buildamockupofoneormoreofyourservices.Showwhatyourservicewilllooklikeinpractice,andtellushowitiscomprehensible.Wewillhavediscussedsomeexamplesofinformationdesign,includingseveralthathavenothingtodowithcomputers.WewantcomputerstobemorelikethediagramsinEdwardTufte'sbooks.WealsowantthemtobemoreliketheinformationappliancesthatNormanarguesfor.
Assignmentforweek10:Servicearchitecture.Havingsketchedfirsttheinsidesandthentheoutsidesofyourservice,itwillbetimetoreturntotheinside,applyingseriousarchitecturalconceptsthistime.Howaretheprocessesanddatabasesthatcompriseyourservicedividedamongthevariousnetworkeddevicesthattheyrunon?YouwillhavebeenreadingMesserschmidtthroughoutthequarter,andthisiswhereyouwillapplyeverythinginthatbook.
Assignmentforfinalsweek.Wedon'timaginethatanyonewillbearoundduringfinalsweektoseeyourwork,andsoinsteadwewillhaveeachgroupvideotapeafinalpresentationthatwecanputontheWeb.Thiswillincludeyourservicemockup,itsinformationdesignandinternalarchitecture,howitworkscognitively,howtheinformationflows,andgenerallyhowitworksasaserviceinthefullsense.
MISApplicationServer:Easyback-endadminstration
Accurateinformationisthefirststeptobetterplanning,reportingandanalysis.Inmanycompanies,however,thisinformationisstoredinseveralformatsacrossmultiplelocations.MISApplicationServerbringsthisinformationtogetherinasingleanalyticplatform.
Testthousandsofscenarios
Howmuchrevenuewillournewproductgenerate?Shouldwesplitoursalescostcenterintodirectandindirectsales?WhatifIonlyinvested,10%ofmymarketingbudgetintoadvertising?
Managerstesttheseandthousandsofotherscenariosduringeachandeverybudgetplanning.LetMISApplicationServersupportyouthroughouttheprocess.Itsunique"splashing"technologyautomaticallyallocatesyourbudgetintodifferentprojects-downtoanydesiredlevelofdetail.Onceyouaresatisfiedwithyourresults,justwritebackyourfinalizedbudgetintothedatabase,whereyoucanlateraccessitforcomparingbudget-actualvariances.
Whenchangesariseinyourbudgetstructure,youcanupdatethesequicklyfromafamiliarExcelenvironment.Thisunparalleledplanningflexibilityispoweredbythemultidimensionalreal-timeOLAPdatabase,MISAlea.
信息系统分析和设计
这种重建"系统分析和设计"的古典计算机科学题目--绘图资料流动和数据模型--从工业设计图得到的一种框架。与这种传统的方法相比较,我们的注意焦点将从系统变换到服务,主机到网络,台式机到立式机,结构化工作空间与惯例组织的关系,认知物理变化,和个别的用户在实践的社区。跨学科队伍将会用最少的讲话和写作组织一个关于表现的队伍。我们尽可能的参加设计过程,对它们的工程来说,我们队伍自身的经验回变成它们的原材料。
有这样两本书:大卫G.Messerschmitt,《网络应用》:新计算的基础设施指南,摩根·考夫曼,1999。这是杰出的明白语言的现代信息系统的结构的介绍。唐纳德A.诺曼语,不可见的计算机,麻省理工学院,1999。这对个人计算机和有利于完全不同和专业化的计算设备的新一代是一次争论。
被推荐的另一本书是:杰弗里·L.惠滕和朗尼·D.本特利,《系统分析和系统设计方法》,第4版,欧文麦格劳小山,1998。这是彻底的系统分析和系统设计的传统的实践的介绍。如果你将与传统的有教养的人们合作,那么它将是有用的参考书。但是正如我
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