IWebWebWebWebWebWebWebWebIIAbstractWiththerapiddevelopmentofinformationtechnologyandwebapplications,webservicescompositionisbecomingthemaintechnologyfortheintegrationofenterprises’information.Fromtheviewofprocess,webservicescompositionistheprocessthatpreopledesignbusinessprocessaccordwithbusinessrequirement,chooseaseriesofsinglewebservicesaccordwithsomerulesforthebusinessprocesstoformtheservicesprocesswhichcanmeetthetotalrequirement.Therefore,theresearchofbusinessprocessinwebservicescompositionisoneofthekeyproblemsinwebservicescomposition.Butthemodelofbusinessprocessbeingislackofsemanticinformation,cann’tcontrolthegranularityofbusinessactivity,andisshortofconsideringservicequalitywheninstancedtoparticularservicesprocess.Tosolvetheseproblems,themainresearchworksareasfollows:Firstly,thebackgroundofwebservicescompositionandbusinessprocessisresearchedinthisdissertation.Accordingtotheanalysisofdomesticandforeignresearchesinthisfield,theweaknessesofcurrentresearchesaresummarized.Thenthefeasibilityofusingenvironmentontologytoexpressfunctionsemanticandusinghierarchicalanalyzingmethodtoconstructbusinessprocessisdemonstrated.Secondly,abusinessprocessmodelbasedonenvironmentontologyisgiveninthisdissertationthatisbusinessprocessontologysystem.Itcontainsseveraldifferenttypesontologiesassociatedwitheachother,supportsthedescriptionofsemanticinformation.Thirdly,hierachicalanalyzingmethodisusedtocontrolthegranularityofbusinessavtivityintheconstructionofbusinessprocessbaseontheontologysystemgivenabove,andwebserviceinstanceischosenforeachserviceclassinbusinessprocessthroughthestandardizationofthevalueofthequalityofwebservice.Lastly,abusinessprocesssystemisdesignedtopracticethemodelandmethodgivenabove,andtheexampleShopping-OnlineinE-Businessisusedtodemonstrateeachmoduleofthissystem.Keywords:WebServicesComposition,BusinessProcess,HierarchicalAnalyzingMethod,EnvironmentOntology,QualityofSeviceV1.1..............................................................52.1Web..............................................................62.2Web...........................................................72.3............................................................82.4..............................................................92.5.........................................................142.6...........................................................163.1.................................................................183.2.........................................................193.3.......................................................223.4.........................................................274.1...........................................................314.2.......................................314.3XML.................................................334.4.....................................................345.1.............................................................405.2.........................................................435.3.............................................................445.4.....................................................445.5.................................................................445.6.............................................................455.7.............................................................455.8...............................................................455.9.............................................................465.10........................................................465.11............................................................475.12..........................................................484.1CreateOrder......................................364.2CreateOrder................................364.3CreateOrder......................36WebVIRMIRemoteMethodInvokationJavaDCOMDistributedComponentObjectModelCOMCOBERCommonObjectRequestBrokerArchitectureOMGWebWebServicesWebSOAPURIUniversalResourceIdentificationXMLeXtensibleMarkupLanguageUDDIUniversalDescription,DiscoveryandIntegrationWebWSDLWebServiceDefinitionLanguageWebXMLWebSOAPSimpleObjectAccessProtocolXMLBPELBusinessProcessExecutionLanguageXMLBPEL4WSBusinessProcessExecutionLanguageforWebServiceWebRDFResourceDescriptionFrameworkWebOWLOntologyWebLanguageW3CWebOWL-SOWL-basedWebServiceOntologyOWLWebOWLWebQosQualityofServiceSOAServiceOrientatedArchitecture[1]RMIDCOMCORBAWebW3CWebURIXMLXML[2]WebUDDI[3]WSDL[4]SOAP[5]WebWebWebWebGoogleGoogleSearchWebAPIWebWebWebWebWebWebWebWebWebWebWeb[6]BPEL4ws[6]OASIS(OrganizationfortheAdvancementofStructuredInformationStandards)BPELWSDLXPathBPELBPELBPELOWL-S[7](ServiceModel)OWL-SProcessAtomicProcessCompositeProcessCompositeProcessOWL-SgroundingWSDLgroundingOWL-SWeb[8](specialization)[9][10]WebPetri[11][12]PetriWebPetriPetri://://://