1、河南師范大學(xué)碩士學(xué)位論文口語(yǔ)對(duì)話系統(tǒng)中文法規(guī)則自動(dòng)推導(dǎo)研究姓名：張合申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：王曉東20090401ABSTRACTTherearesuchproblemsforaccesstogrammarinrole—basedSpokenDialogueSystems(SDS)：Firstlythegrammarisoftendesignedbyexperts，andthisworkdependsonthe

2、irprofessionalknowledgeandexperience，SOitisimpossibleforordinarydeveloperstofinishthisworkSecondlythegranlmarisoftendesignedmanuallyandthisworkisverycockamamieFinallythegrammardesignedforadomainisverydifficulttoapplytoan

3、otherdomainSoitisobligatorytodesignnewgramlnarforeveryapplicationWiththedevelopmentoftheincreasingsocialneedsandscaleofsystem，ithasbecomeamajorbottleneckfordevelopmentaspokendialoguesystemSpecifictothecharacteristicofSDS

4、，thisthesistookatypeofenhancedcontextfreegrammarforChinesespokenlanguage舔objectresearchedthetechnologiesforautomaticgrammarinferenceinSDS1Thefeaturesandperformanceofcommongrammarwerecomparedandanalyzedandatypeofenhancedc

5、ontextfleegFalD_lTlarforChinesespokenlanguagewasresearchedmainlyAndthentookitas0bjectaccordingtothelanguagecharacteristicsinSDStoresearchthetechnologiesforautomaticgranlnlarinference2Amethodforautomaticgrammarinferenceba

6、sedonsentencesegmentationisproposedinthisthesisThemainideaistoparsethetrainingsentenceswithaninitialrulesetIftheparsedsyntactictreeisincomplete，thetopmostconstituentsareusedtorecursivelyinferthemissingrulesafterdisambigu

7、ationandnormalization，andthentherulesetisupdatedThemethodsofdisambiguationandnormalizationforsegmentationswereresearchedinthisthesisInordertoimprovetheoutputgrammartheprocessingorderofthetrainingsentencesisadjustedandthe

8、method’Sprocessisrefined3Thedomain—specificgrammarevaluationtechnologieswereresearchedinthisthesisAndasetofflexibleevaluationtechnologiesWasproposedwhichCanbecustomizedforspecialdomainSomeexperimentshadbeendonetoevaluate

9、theperformanceofthealgorithmproposedinthisthesisinthedomainofweatherforecastenquiryTheparsingaccuracyoftheoutputgrammarachieved648％withanemptyinitialrulesetand864％withaninitialrulesetonlyincludingrulesfordatedescriptionK