基于Web的光學(xué)專業(yè)數(shù)據(jù)庫(kù)的信息檢索.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文基于Web的光學(xué)專業(yè)數(shù)據(jù)庫(kù)的信息檢索姓名：金瑜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：課程與教學(xué)論指導(dǎo)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