可靠Web服務(wù)組合的動(dòng)態(tài)構(gòu)建研究.pdf

1、東南大學(xué)碩士學(xué)位論文可靠Web服務(wù)組合的動(dòng)態(tài)構(gòu)建研究姓名：王偉鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)科學(xué)與技術(shù)；計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：劉亞軍20110310東南人學(xué)碩。l：學(xué)位論文AbstractWebservicesasanewdistributedcomputingmodel，whichiSselfcontained，modularlooselycoupled；standardsbasedhighlyintegrable，etchasb

2、ecomeacommonindustrialandacademicfocusAtomicservicesusuallyoffersomesimplefunctions，theyCannotmeettheneedsofcomplexapplications；inordertoachieveacompletebusinessfunction，thedistributedatomicservicesneedtobecombinedaccord

3、ingtOcertainbusinesslogictoformanewmorepowerfulcompositeservice，whichmeetstheneedsofdifferentusersofcomplexapplicationsIntheWebenvironmentthereareusuallymorethanoneWebserviceswhichmeettheusers’functionalneeds，andtheservi

4、cesprobablyhavedifferentreliabili吼Inthemeantime，businesscompaniesalsohavesomepoliciesandrestrictionsinthedevelopmentofWebservicecompositionsolutionsSohowtoselecttheappropriateWebservicetobuildareliableWebservicecompositi

5、onwhichmeetstherequirementsandlimitationsiSakeyissueinthisfieldManyresearchershavedonealotofresearchabouttheoptimizationofWebservicecompositionissues，andsomeprogresseshavebeenmadeCurrentlyproposedefficientmethodstosolver

6、eliableWebservicecompositionproblemare：integerprogrammingandgeneticalgorithmButwiththerapiddevelopmentofWebservicesapplications，compositeservicestructuresbecomemorediverseanddynamic，andthesetwomethodseachCallnotefficient

7、lyhandlealltypesofservicecompositionstructureInthisthesis，wefocusonthestructureofWebservicecompositionitseif；analyzethestructuralparametersofWebservicecompositionandtherelationshipbetweentheexecutiontimeofalgorithmandthe

8、hestructuralparametersThenweproposeareliablecompositeWebservicemethodbasedonthecomplexityoftheexecution11他maincontributionsofthisthesisareshownasfellows：1AnalyzeofthestructuralcharacteristicsofW，ebservicescompositionlist

9、themainstructuralparametersofWebservicecomposition2ObtaintherelationshipbetweenthecompositeWebservicestructuralparametersandthealgorithmexecutiontimebyresearchandexperimentation3Proposetheconceptofalgorithmcomplexityfunc

10、tionandobtaintheexpressionofalgorithmscomplexfunctionthroughfittingtheexperimentaldata4ProposethemethodforreliableWebservicecompositionbasedonthecomplexityofexecutionanddesignaoverallsolutiontosolvethereliableWebservicec

11、ompositionAtthelastofthisthesisthesystemiSimplementedonthebasisoftheabovetheoreticalanalysisofwhichtheCOrealgorithmsanddatastructuresareintroducedindetailandanalyzedExperimentsandstudieshaveshownthattheproposedmethodforr