語(yǔ)料的標(biāo)注與句法結(jié)構(gòu)的提取

《語(yǔ)料的標(biāo)注與句法結(jié)構(gòu)的提取》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。

1、語(yǔ)料的標(biāo)注與句法結(jié)構(gòu)的提取王金銓bfsuwjq@yahoo.com.cnPartI語(yǔ)料的標(biāo)注PartII句法結(jié)構(gòu)提取PartI語(yǔ)料的標(biāo)注1.Whatisannotation?2.Howtodoit?AnnotationofcorporaAnnotation:Theprocessofmakingexplicitlinguisticcategoriesimplicitwithinacorpustext,forexample,byaddinglayersofinformationonthegrammaticalclassesofwords,orontheclassesofspeechactswhic

2、hhavetakenplaceinthecourseofthetranscribedspeech,ortheclassesoferrorslearnersmadeinwriting.(Edwards1995:20).A.Part-of-speechtaggingB.SyntacticannotationC.SemanticannotationD.DiscourseannotationE.PragmaticannotationPOS-Tagging-alsoknownasgrammaticaltagging-divideswordsintocategories,basedonhowtheycan

3、becombinedtoformsentences-mostcommonusedformofcorpusannotationNowadays,<,>itisfashionabletospeakofagenerationgap.<.>Theparentscomplainthatchildrenareself-centeredanddonotshowthemproper

4、respectandobedience,<,>whilechildrenarecomplainingthatparentsdonotunderstandthem.<.>Howdoesthegenerationgapform?Howtodoit?manuallycomputer-assistedfullyautomaticcomputer-assistedannotationAnnotoolFull

5、yautomaticannotationCLAWSConstituentLikelihoodAutomaticWord-taggingSystemdevelopedbyUCREL(UniversityCentreforComputerCorpusResearchonLanguage)atLancasterPOS-taggerforEnglishexistssinceearly1980‘shasseveraltagsetsTagsetvariationCategoryExampleCLAWS5AdverboftenAV0Adverb,negativenotXX0Adverb,comparativ

6、efasterAV0Adverb,superlativefastestAV0Adverb,particleupAVPAdverb,deictichereAV0Adverb,intensifierveryAV0Adv,intensifier,postposedenoughAV0Adverb,questionwhenAVQAdv,question,intensifierhowAVQFullyautomaticannotationGotaggerWhen_WRBwe_PRPare_VBPborn_VBN,_,the_DTeducation_NNour_PRP$parents_NNSgive_VBPu

7、s_PRPis_VBZto_TOlearn_VBhow_WRBto_TOspeak_VBand_CChow_WRBto_TOrecognize_VBthem_PRP._.It_PRPis_VBZa_DTbasic_JJeducation_NNand_CCwe_PRPstart_VBPto_TOface_VBthe_DTcolorful_JJworld_NN._.The_DTeducation_NN