BOOK - 2000 - Daniel Marcu - The Theory and Practice of Discourse Parsing and Summarization

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1、THETHEORYANDPRACTICEOFDISCOURSEPARSINGANDSUMMARIZATIONDANIELMARCUUntilnow,mostdiscourseresearchershaveas-sumedthatfullsemanticunderstandingisneces-sarytoderivethediscoursestructureoftexts.Thisbookdocumentsthefirstseriousattempttoconstructautomaticallyandusenonsemanticcomputationalstructur

2、esfortextsummarization.DanielMarcudevelopsasemantics-freetheoreti-calframeworkthatisbothgeneralenoughtobeapplicabletonaturallyoccurringtextsandcon-ciseenoughtofacilitateanalgorithmicapproachtodiscourseanalysis.Hepresentsandevaluatestwodiscourseparsingmethods:oneusesmanu-allywrittenrulesth

3、atreflectcommonpatternsofusageofcuephrasessuchas"however"and"inadditionto";theotherusesrulesthatarelearnedautomaticallyfromacorpusofdiscoursestructures.Bymeansofapsycholinguisticexperi-ment,Marcudemonstrateshowadiscourse-basedsummarizeridentifiesthemostimportantpartsoftextsatlevelsofperfo

4、rmancethatareclosetothoseofhumans.Marcualsodiscusseshowtheautomaticderiva-tionofdiscoursestructuresmaybeusedtoimprovetheperformanceofcurrentnaturallanguagegeneration,machinetranslation,TheTheoryandPracticeofDiscourseParsingandSummarizationTheTheoryandPracticeofDiscourseParsingandSummariza

5、tionDanielMarcuABradfordBookTheMITPressCambridge,MassachusettsLondon,England©2000MassachusettsInstituteofTechnologyAllrightsreserved.Nopartofthisbookmayhereproducedinanyformbyanyelectronicormechanicalmeans(includingphotocopying,recording,orinformationstorageandretrieval)withoutpermissioni

6、nwritingfromthepublisher.ThisbookwassetinTimesRomanbyWindfallSoftwareusingZzTEXandwasprintedandboundintheUnitedStatesofAmerica.LibraryofCongressCataloging-in-PublicationDataMarcu,Daniel.Thetheoryandpracticeofdiscourseparsingandsummarization/DanielMarcu.p.cm."ABradfordbook."Includesbibliog

7、raphicalreferencesandindex.ISBN0-262-13372-5(hc.:alk.paper)I.Discourseanalysis—Dataprocessing.2.Parsing(Computergrammar)3.Abstracts—Dataprocessing.I.Title.P302.3.M372000401.410285—dc2100-038690Tomyparentsandtomyfriendswhohavehelpedandinfluencedmethemost,Mica,Tatatel