基于Web的光學專業(yè)數(shù)據(jù)庫的信息檢索.pdf

1、合肥工業(yè)大學碩士學位論文基于Web的光學專業(yè)數(shù)據(jù)庫的信息檢索姓名：金瑜申請學位級別：碩士專業(yè)：課程與教學論指導教師：高峰20040501InformationSearchofOpticsDatabaseBasedonWebABSTRACTThisarticlebrieflypresentsthedevelopmenthistoryofoptics，andthegreatcontributionmadebytheadvancementof

2、opticsinallfields；putsforwardanewopticclassificationmeansbasedonsomeopticclassificationstandard；brieflyintroducessomeconceptsofinformationsearch，thestructureandtheprocessofinformationsearchsystem，andthecharacteristicofin

3、formationsearchbasedonweb，andtheinformationsearchsystem’SformingandworkingprocessbasedonwebParticularlypresentstherealizationofopticdatabaseinformationsearchingsystembasedonweb：firstlytransformingoriginalopticinformation

4、intostructuredopticdataandunstructuredopticdata，secondlytransformingunstructuredopticdataintostructureddatabypretreatment，thenputtingthesestructureddataintoopticdatabase，buildinguppeoplecomputeralternationsearchingsystem

5、，finallyrealizingopticinformationsearchingsystembasedonwebIntheprocessingofunstructuredopticdatapretreatment，thisarticleputsforwardacompletednewalgorithmofautomaticChinesewordsegmentationbasedoncontext：combiningChinesewo

6、rdfrequencybasedoncontextandkeyworddictionarycancompletesefficientlyChinesewordautomaticsegmentation；‘a(chǎn)ndalsopresentsanewcomputerautomaticallyclassificationwayaboutopticarticlesspecialtyclassification：throughaddingoptics

7、ubjectclassificationpropertyonoptickeywordsandcomputingtheproportionofoptickeywordsinthearticle，quantificationallyclassifiesopticarticlesThepaperissupportedbytheMinistryofEducation’SSpecialFoundationf011001B2)KeyWords：in