基于語(yǔ)義Web技術(shù)的智能信息檢索研究.pdf

1、學(xué)校代號(hào)：10731學(xué)號(hào)：P0408120308密級(jí)；公開(kāi)蘭州理工大學(xué)碩士學(xué)位論文基于語(yǔ)義Web技術(shù)的智能信息檢索研究皇僮由請(qǐng)厶姓名；至匾：昱匝娃名壁巫煎!奎盟熬援墻羞望僮!讓簋擔(dān)生適信堂瞳童些芻趁i過(guò)筵拯廛屢撞盔迨窒握窒旦塑：2堂生5目2Q旦論奎簽濫日期；簦熬蠶雖會(huì)圭廑i基于語(yǔ)義Web技術(shù)的智能信息檢索研究AbstractWiththerapiddevelopmentofInternet，Webhasbeenthebestimport

2、antinformationresourceAsanessentialtooltosearchforinformation，thesearchengineprovidesaconvenientshortcutforuserstoretrievethatinformationHowever，duetolackingapowerfulsemanticmodel，traditionalsearchenginescanonlyadoptthes

3、hallow，keywordbasedapproachThisseverelylimitstheirabilitiesintheintelligentapplicationThefieldofinformationretrievalisconfrontedwiththechallengethathowtomaketheinformationresourcepossessthemeaningofapplicationprogramunde

4、rstandable，meanwhileimplementthesemanticretrievalandimprovetheutilizationefficiencyofinformationresourceaccordingtotheknowledgeitpossessTheSemanticWebisanextensionofthecurrentwebinwhichinformationisgivenwelldefinedmeanin

5、g，betterenablingcomputersandpeopletoworkincooperationThegoaloftheSemanticWebisavision：theideaofhavingdataontheWebdefinedandlinkedinawaythatitcanbeusedbymachinesnotjustfordisplaypurpose，butforautomation，integrationandreus

6、eofdataacrossvariousapplicationsToaimattheweaknessinthetraditionalinformationretrieval，wecombinethetraditionalinformationretrievalapproachwithRDF，RDFSandthewebontologylanguage(owL)intheSemanticWeb，andproposeamodelofintel

7、ligentinformationretrievalbasedontheOWLInsupportofthesearchenginetechnology，themodelattemptstoachievesemanticqueryindocumentrepositoriesThosedocumentsweredescriptedbyOWLandstoredintheknowledgebaseThismodelappliestohelpth

8、eusershowtoacquireinformationresourcequicklyandpreciselyinthecurrentweb；Meanwhile，consideringbothsemanticandkeywordbasedsearchcomprehensively，wedesignethesimilaritymeasurealgorithmSOthatthemodelcanworkliketraditionalsear