面向知識發(fā)現(xiàn)的信息源集成技術(shù)研究.pdf

1、y770909學(xué)校代碼：10246學(xué)號：022021149後里大學(xué)碩士學(xué)位論文面向知識發(fā)現(xiàn)的信息源集成技術(shù)研究系：計算機(jī)信息與技術(shù)業(yè)：計算機(jī)軟件與理論姓名：李煒指導(dǎo)老師：張亮教授完成日期：2005年5月20日紊雹瑟臻誓筒萼勃愛定疊茗17譬AbstractNowadays，severalknowledge—discoveryorientedinformationintegrationsystems，suchasISYS，MOBYandGr

2、id，havestartedsearchingforanewintegrationframework，whichismeanttohelpusersanalyzeanddeploytheobtainedinformationwithcurrentdataandservicesmoredeeplyandefficientlyForaknowledgediscovery—orientedinformationintegrationsyste

3、m，thefollowingtworequirementsshouldbetakenintoconsideration●Supportexploringmodeofinformationmanagementwhichwillhelpusersdeterminethenextanalysistoolaccordingtothecurrentdata●Supportdatamining，thatis，itshouldprovideagoal

4、—orientedandautomaticintegrationapproachForthecurrentsystemssuchasISYS，MOBYandGrid，theyhavesupportedtheexploringmodeapplication，buttheminingabilitiesarelimitedtosonicextentISYSdoesn’tprovidesolutionsforminingapplication，

5、whileMOBYand”7GridneedmanualWOrkflowdescriptiontocompletetherelatedworkThus，tosupportboththeexploringmodeandtheminingmode，amoreflexibleintegrationframeworkisrequiredThefocusofthisthesisistesearchOntheKnowledgeDiscovery—O

6、rienteddmaintegrationtoprovideasolutiontotheaboveproblemsOurcontributionscanbesummarizedas：●WeproposeaFlewinformationintegrationframeworkHarmoniouswhichisbasedonontologyandwebservicesThisframeworkusesontologyasglobalview

7、SOthatwebservicesCanbedynamicallyregisteredontheontologyThusthroughtherolesofontologyconcepts，thecompositionofwebservicesCanbeefficientlyandautomaticallycompleted●TwokeyalgorithmsaboutHarmoniousareprovidedPathssearchingi

8、ngraphwithnodeinheritanceconstraintsalgorithm，whichmakesuseofinheritanceattributesintheontologyconcepthierarchytofindoutthecandidatepathsbetweentwoattributenodesinthegraphdynamicallyThisalgorithmprovidesaneffectivesoluti