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1、Commentson32N1791WD19763-5(expertcontribution)OKABE,Masao2007/07/11東京電力?システム企畫部?岡部雅夫2OverviewThereareseveralgeneralissuesweneedtohaveconsensusonbeforegoingintotechnicaldetails,basedontheobjectivesofMFIPart5.WhatisaprocessfromthepointofMFIPart5?Whatisadifferencebetwe
2、enaprocessandaservice?HowdeepshouldMFIPart5registersemanticsofaprocess?1.WhatisaprocessfromthepointofMFIPart5?Whetheraprocessonphysicalthingsiswithinthescopeornot?AndWhy?Example:Butter-makingprocessinput:milk,output:butterWhetheraprocessbyhuman(i.e.non-computerizedp
3、rocess)iswithinthescopeornot?Andwhy?OrMFIPart5intendstohaveonlyimplementation-freeabstractsemanticsofaprocess,ignoringbyhumanorcomputerized?Whyastate-transitionandevent-drivenprocessisoutofthescope,althoughtheyareimportanttomodelacomputerizedprocess.e.g.UMLsequenced
4、iagram,Petrinet,HoarCSPmodeletc.Note:Table1,AnnexCofWDMFIPart5says“UMLActivityDiagramisthefocusofthispart〞,ratherthanUMLSequenceDiagram.2007/07/1132.Whatisadifferencebetweenaprocessandaservice?(1of2)AtWuhanAd-hocmeetinglastSeptember,we(?)agreedthatMFIPart7wouldbe“Me
5、tamodelforservicemodelregistration〞.Dowereallyneedboth?Whatisadifference?TheChinesepresentationsays“Aservicerealizesaprocess〞.But,ifweseetheRGPSpaper,bothmetamodelslooksimilar.IntheservicelayerofRGPS,“someconceptsarereferredfromOWL-S〞,theRGPSpapersays.InOWL-S,specif
6、icationofaserviceismodeledasaprocessmodel,whichisrepresentedasametamodelintheintheservicelayerofRGPS.Therefore,themetamodelintheservicelayerofRGPSisametamodelforprocessmodelifwetaketheOWL-Sterms.2007/07/1142.Whatisadifferencebetweenaprocessandaservice?(2of2)MFIPart7
7、doesnotintendtoregisteraserviceitself,butintendstoregisteramodelthatspecifiesaservice,thatis,aprocessmodelintheOWL-Sterminology.Ontheotherhand,AnnexAofWDMFIPart5showsanexamplebasedonthe“BravoAirreservationservice〞exampleofOWL-S.So,MFIPart5andPart7mightbeprettymuchdu
8、plicated.Note:OWL-SisnotarecommendationofW3C,butisjustoneoftmembersubmissionsintheSemanticWebServiceInterestGroupofW3C,aswellasWebServiceM
