一个基于工作流的web服务组合系统

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:82-946360/《PLC200》webAWorkflow-basedWebServiceCompositionSystem()MALin-pingHAOKe-gang:web,。web,。,。。:web;;;web:TP393:AAbstract:Inthiswork,wepresentawebservicecompositionsystemthatprovidesanenvironmentforspecifyingtheflowmodelofthecompositeserviceandtheuser'sconstraintsonthecompositeservice.Weadoptourpreviousworkonworkflowmodelingandschedulingunderresourceallocationconstraintsforwebservicecompositionandextenditwithservicediscoveryfunctionalities.Inmodelingthecompositeservice,thesystemguidestheuserforselectingtherelevantservicetypes.Inbothguidingfunctionalityandtheservicediscoveryphase,ontologybasedsemanticinformationoftheservicesisutilized.Keywords:DynamicWebServiceComposition;ResourceSelection;ConstraintSatisfactionProblem;SemanticWebServices:1008-0570(2009)01-3-0015-021web,web。webweb。。web。webweb。web,。1。。web。。,()。,。,,。。。2,(,,,),UDDI,web,。1。。web(CompositeWebServiceLanguage,CWSL)。CWSL。,。。,,,。。2。。。()。Xor。,,。()。(:,):!#$!%&’()*+,-15--《》()2009251-3360/:82-946《200》2。。。,。。,。UDDI。,。,。。。Web。,BPEL。BPEL。3CWSL。(WfMC),。,:web(WebServiceTem-plateBlock),(Sequential-Block),AND,OR,XOR,(Iteration-block),(Condition/Decision-block)。web。CWSL。。CWSL。,CWSL:;;。,CWSL。,。。webCWSL。。,web。3。Choco。,。4,OWL,,。4.1,。,。。;,。,,。4。,。。。,。,,“”,,。。4.2[3],UDDI。,。UDDI。,,。,(OWL-S)UDDI。,。4.3。,。,。,。。。,。。。,,。5:web,web。。。,。,,。,,,。(11)16--:82-946360/《PLC200》,,,,,。,。CTasklist,。CTypedPtrList,CTypedPtrListCPtrList,CTasklist*m_tasklist。m_tasklist,,。,,InsertBe-fore,。,,,。3.3,:(1),;(2),;,;(3),;,;4,,。,,。:,,,;XML,,;,。[1],.[J].,2006,8-3:177-179[2],,.Socket[J].,2006,13(2):175-177[3],.Windows[M].:,2006.[4],.VC[J].,2006,5-3:250-252:(1982-),(),,,。:、;(1952-),(),,,。:,,;(1980-),(),,,:,,,。Biography:LIUYuan-yuan(1982-),Female(Han),Hubei,CenterforEarthObservationandDigitalEarth,ChineseAcade-myofSciences(CEODE),GraduateUniversityofChineseAcade-myofSciences(GUCAS),Master,Researcharea:Remoteman-agementofremotesensingsatellitedata,Remotemonitoringandcontrolsystem.(100039)(100190)(GraduateSchooloftheChineseAcademyofSciences,Bei-jing,100039)LIUYuan-yuan(CenterforEarthObservationandDigitalEarth,ChineseA-cademyofSciences,Beijing,100190)LIUYuan-yuanYANGRen-zhongTANGMeng-hui:(100086452434)(:2008.12.15)(:2009.01.13)(16)50[1]P.Senkul,I.Toroslu,“AnArchitectureforWorkflowSchedulingunderResourceAllocationConstraints”.Inf.Syst.30(5):399-422.,2005.[2]Chococonstraintprogrammingsystem,[3]B.Medjahed,A.Bouguettaya,A.K.Elmagarmid,“ComposingWebservicesontheSemanticWeb”,VLDBJ.12(4):333-351,2003.[4]M.Paolucci,T.Kawamura,T.R.Payne,K.Sycara,“SemanticMatchingofWebServicesCapabilities”,InternationalSemanticWebConference,333-347,2002.[5]UDDI,Universaldescription,discoveryandIntegrationofWebServices,[6],.web[J].,2006,5-3:79-81。:(1982-),,,,,:。,,,,,,:、、。Biography:MALin-ping(1982-),female,theHannationality,Shan-xiProvince,Postgraduate,themainresearchdircetionissoftwareengineeringandworkflowtechnology.(710127)(SoftwareEngineeringInstitute,InformationSci-TechCol-lege,NorthwestUniversity,Xi’an710127)MALin-pingHAOKe-gang:(71012785)(:2008.12.15)(:2009.01.13):146601:100081:010-62132436010-62192616(T/F):10:36011--

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