基于网络知识资源语义化的电子试卷自动生成系统-研究

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1、皋f网络知识资源语义化的lU了试卷自动生成系统研究ELECTRONICPAPERAUTOMATICGENERATl0NSYSTEMBASEDONSEMANTICONL玳EKNO、入几EDGERESOURCEABSTRACTAsahugeinformationspace，webhasbecomeanimportantwayforpeopletoacquirelearninginformation．Nowadays，therearemanyonlinecomputerprogrammingproblemarchivesforbeginnertot

2、raining．Theyusuallyprovideahtmlformatproblem，andneedproblemsolvertouseacommand-lineprogramtosolveit．Butwhenbeginnercanhardlygetanyhelpinformationwhenhecan’tsolveproblems．Thiswillmakethebeginnerfeelveryhardtogetstart．Therearemainlythreereasonsforthisphenomenon：1)Mostofproble

3、marchivesarelackofdifficultyanalysisandknowledgestatistic2)Whenabeginnercan’tsolveaproblem，hecan’tgettheanyhintonthat3)Currentonlineproblemarchivesdon’thelpusertochooseproblem．Soforsomebeginner,theydon’twhichproblemisthemostlO果fM络知识资源语义化的IU了试卷臼动生成系统研究suitableforthem．Forthes

4、ereasons，thisthesisdescribesawaytoconverttheonlineproblemtobesemantic，SOthatcomputercandividethehardproblemtobesmallerandeasierones．Also．thispaperdescribesanewwaytoanalyzethedifficultyofcomputerprogrammingproblemsbasedonmanyexperimentaldata．ThemainfocusofthisthesisiSonhowto

5、maketheonlinecomputerprogrammingproblemsemantic，SOthattheycanbeunderstandbycomputer．Andthencomputercandividetheproblemtosomesmallerandsimplerproblembasedonsomerules．Moreover,aftertheproblemisdivided，thenewproblemmusthavethedescriptionthatcanbereadbyhumanbeings．Soanotherwork

6、ofthisthesisistoconverttheprobleminsemanticformattonaturelanguagedescription．ThemaintechnologythatthisthesisusedtogeneratenaturelanguageistheNatureLanguageGeneration(NLG)．Besidesproblemdividing，thisthesisalsodescribesamethodtoanalyzethedifficultyofsingleproblem．Sothatcomput

7、ercancombinesuitableproblemforbeginner．Thissystemhasbeenusedonouruniversityprogrammingtrainingmanytimes．Theresultprovesthatthefeasibilityandcorrectnessofthisthesis．Theresultofthisthesis，forexamplenaturelanguagegeneration壮十嗍络知识资源语义化的l【l了试卷自动牛成系统研究anddifficultyofproblem，noton

8、lycanbeusedincomputerprogrammingdomainbutalsocanbeusedinotherdomainaftersomechangi