语义Web与其在搜索引擎上的应用

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1、ABSTRACTThecontentsofcurrentWebareusuallyunstructuredorsemi-structured，SOthatmachinescannotunderstanditssemantic，whichpreventsmachinesfromcommunicatinginformationinanefficientway,especiallyfromminingtheknowledgehiddenintheinformation．SemanticWebaimsatunderstandingmessagesautomaticallyandminingthosep

2、otentialonesentirely,throughthedefinitionofinformationandthedescriptionofresourcesinstructuredform．Thisthesisfirstfocusedonexploringthelogicfoundation，alsodescriptionlogicandsemanticcoreontologyofsemanticWeb．ItiswellknownthatsemanticsimilaritycalculationbasingontologyplaysanimportantroleinsemanticWe

3、bapplication．Sowethensetupanimprovedsemanticsimilaritycalculatingmodel，onthebasisoftheclassicmodelsandthenverifyingitsefficiencybyanexample．WiththehelpofJenaFramework,wefinallydevelopasearchengine，calledstatingengine，intheapplicationsettingoftheWebsiteofCollegeofMathematicsandComputerScienceofHunanN

4、ormalUniversity．Thekeypointsofthisthesisreadasthefollowing：1．StudythetheoryofthebasictechnologyinSemanticWeb：descriptionlogicandontology；2．Settingupacalculationmodel，calledBrewingmodel，basedonthesemanticsimilari够ofontology,andalsoverifyingitsefficiencywithexperiments．3．EstablishingtheontologyofColle

5、geofMathematicsandComputerScienceofHunanNormalUniversitybyemployingtheprot696t001．4．WiththehelpofJenaFramework，developingasearchengine，calledstatingengine，intheapplicationsettingoftheWebsiteofCollegeofMathematicsandComputerScienceofHunanNormalUniversity．Asaconclusion，theSearchengineStatingandBrewing

6、ofsimilaritycalculationmodelprovidesagreatreferenceforourfutureinformationindexresearch．KeyWords：SemanticWeb，DescriptionLogic，Ontology，Semanticsimilarity，Searchengine，Statementsearch，Brewingmode．III目录中文摘要．．．．．．．．．．．．．⋯．．．．．：．．⋯⋯⋯⋯．⋯⋯⋯⋯I英文摘要⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．II1引言1．1万维网发展史简介一语法网络⋯⋯⋯⋯⋯⋯⋯⋯．(1)1．2万维网的进一

7、步扩展一语义网络⋯⋯⋯⋯⋯⋯⋯⋯(2)1．3国内外研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．(4)1．4本论文的选题意义、研究内容及创新⋯⋯⋯⋯⋯⋯．(6)2语义WEB基础理论2．1语义WEB的体系结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．(9)2．2语义WEB的逻辑基石～描述逻辑⋯⋯⋯⋯⋯⋯⋯．．(12)2．2．1描述逻辑演变史⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．(13)2．2．2描述逻辑系统一SHOIN(D)⋯⋯⋯⋯⋯⋯⋯⋯(