A cost-value approach for prioritizing requirements

《A cost-value approach for prioritizing requirements 》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、.featureACost–ValueApproachforPrioritizingRequirementsJOACHIMKARLSSONFocalPointABKEVINRYANUniversityofLimerickDecidingwhichrequirementsevelopingsoftwaresystemsthatmeetstakeholders’reallymatterisadifficulttaskneedsandexpectationsistheultimategoalofanysoft-andoneincreasinglywareproviderseekingacompeti

2、tiveedge.Toachievedemandedbecauseoftimethis,youmusteffectivelyandaccuratelymanageyourstakeholders’systemrequirements:thefeatures,func-andbudgetconstraints.TheDtions,andattributestheyneedintheirsoftwaresys-authorsdevelopedatem.1Onceyouagreeontheserequirements,youcanusethemasafocalcost–valueapproachfo

3、rpointforthedevelopmentprocessandproduceasoftwaresystemthatmeetstheexpectationsofbothcustomersandusers.However,inreal-prioritizingrequirementsandworldsoftwaredevelopment,thereareusuallymorerequirementsthanappliedittotwoyoucanimplementgivenstakeholders’timeandresourceconstraints.commercialprojects.Th

4、us,projectmanagersfaceadilemma:Howdoyouselectasubsetofthecustomers’requirementsandstillproduceasystemthatmeetstheirneeds?IEEESOFTWARE0740-7459/97/$10.00©1997IEEE67.2520HighWeinterpretqualityinrelationtoacandidaterequirement’spotentialcon-15Mediumtributiontocustomersatisfactionwiththeresultingsystem.

5、CostisthecostofsuccessfullyimplementingthecandidateValue(percent)10requirement.Inpractice,softwarede-velopersoftencalculatecostspurelyintermsofmoney.However,wefoundthat5Lowprioritizingbasedonrelativeratherthanabsoluteassignmentsisfaster,moreac-curate,andmoretrustworthy.600151025025Cost(percent)Whypa

6、irwise?Toinvestigatecandidaterequirements,weusetheAnalyticHier-archyProcess,7whichcomparesre-Figure1.UsingAHP,youcancalculateeachcandidaterequirement’srelativevalueandquirementspairwiseaccordingtotheirimplementationcostandplotthemonacost-valuediagram,suchastheoneshownhere.relativevalueandcost.Thepai

7、rwisecomparisonapproachincludesmuchre-dundancyandisthuslesssensitivetoMostsoftwareorganizationscarryoutforprioritizingrequirementsbasedonajudgmentalerrorscommontotech-thisselectionprocessinformally,an