摘要
TheadvantageofCOOZ(CompleteObject-OrientedZ)istospecifylargescalesoftware,butitdoesnotsupportrefinementcalculus.Thusitsapplicationisconfinedforsoftwaredevelopment.IncludingrefinementcalculusintoCOOZovercomesitsdisadvantageduringdesignandimplementation.Theseparationbetweenthedesignandimplementationforstructureandnotationisremovedaswell.Thenthesoftwarecanbedevelopedsmoothlyinthesameframe.ThecombinationofCOOZandrefinementcalculuscanbuildobject-orientedframe,inwhichthespecificationinCOOZisrefinedstepwisetocodebycalculus.Inthispaper,thedevelopmentmodelisestablished,whichisbasedonCOOZandrefinementcalculus.Datarefinementishardertodealwithinarefinementtoolthanordinaryalgorithmicrefinement,sincedatarefinementusuallyhastobedoneonalargeprogramcomponentatonce.Astotheimplementationtechnologyofrefinementcalculus,thedatarefinementcalculatorisconstructedandanapproachfordatarefinementwhichisbasedondatarefinementcalculusandprogramwindowinferenceisoffered.
出版日期
2001年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)