本體整合方法研究及系統(tǒng)實(shí)現(xiàn).pdf

1、天津大學(xué)碩士學(xué)位論文本體整合方法研究及系統(tǒng)實(shí)現(xiàn)姓名：魏哲雄申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：馮志勇20070101ABSTRACTOntheweb，informationhasexplodedrecentlyIt’ShardtofmdusefulinformationwhichpeoplealeinterestedinInformationwhichisonthesemanticwebcouldbereadandunder

2、stoodbymachinesThisconceptprovidesaresearchforthehardproblemwhichpeoplehavetroubleinAssemanticwebisdistributed，eachorganizationhasdifferentunderstandingaboutthesamedomainThissituationresultsinthatthereabeamountsofontolog

3、iesinthesamedomain，whichoverlapeachotherTealizeinteroperabilitybetweenmeta—dataontheweb，theseontologiesneedtobeenintegratedInthispaperweanalyzeintrinsicandextrinsicfeaturesofentitieswhichareinthesourceontologiesinorderto

4、calculatethesimilarityandintegrateontologiesbyitTodealwithlackofsemanticunderstandingontheintrinsicfeaturesofentities，weuselexicontechnologytoidentifythesemanticbasedonthestringcomparedapproachThisapproachcombinessyntaxa

5、ndsemanticanalyzedresultsassimilarityofintrinsicfeatureandovercomesynonymousproblemintheontologylevelSecondlytodealwiththeextrinsicfeaturesofentities，weuseheuristicrulestocalculatethestructuralsimilaritybetweenentitiesin

6、theontologyBasedonsimilarities，positionofentitiesintheontologiesweredeterminedtosimilarSimilarpartsofontologieswhichcouldbemergedabeidentifiedeffectivelyandprecisionofontologyintegrationispromotedBasedontheseapproaches，a

7、semiautomationontologyintegrationsystemwasdeveloped。ThesystemCanprocessontologieswhichabeeditedbyOWLandshowontologiesbygraphicsUserCanperformtheontologyintegrationbYchoosingthesuggestionswhichaleproposedbysystemOntologyI