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1、OrganizingEncyclopedicKnowledgebasedontheWebanditsApplicationtoQuestionAnsweringAtsushiFujiiTetsuyaIshikawaUniversityofLibraryandUniversityofLibraryandInformationScienceInformationScience1-2Kasuga,Tsukuba1-2Kasuga,Tsukuba305-8550,Japan305-8550,JapanCREST,JapanScienceandishikawa@ulis.ac.jpT
2、echnologyCorporationfujii@ulis.ac.jpAbstractOntheonehand,theirmethodisexpectedtoen-hanceexistingencyclopedias,wherevocabularysizeWeproposeamethodtogeneratelarge-scaleisrelativelylimited,andthereforethequantityprob-encyclopedicknowledge,whichisvaluablelemshasbeenresolved.formuchNLPresearch,
3、basedontheWeb.Ontheotherhand,encyclopediasextractedfromtheWefirstsearchtheWebforpagescontain-Webarenotcomparablewithexistingonesintermsofingaterminquestion.Thenweuselin-quality.Inhand-craftedencyclopedias,termdescrip-guisticpatternsandHTMLstructurestoex-tionsarecarefullyorganizedbasedondoma
4、insandtracttextfragmentsdescribingtheterm.Fi-wordsenses,whichareespeciallyeffectiveforhumannally,weorganizeextractedtermdescrip-usage.However,theoutputofFujii'smethodissimplytionsbasedonwordsensesanddomains.Inasetofunorganizedtermdescriptions.Althoughclus-addition,weapplyanautomaticallygen
5、er-teringisoptionallyperformed,resultantclustersareatedencyclopediatoaquestionansweringnotnecessarilyrelatedtoexplicitcriteria,suchaswordsystemtargetingtheJapaneseInformation-sensesanddomains.TechnologyEngineersExamination.Tosumup,ourbeliefisthatbycombiningextrac-tionandorganizationmethods
6、,wecanenhanceboth1IntroductionquantityandqualityofWeb-basedencyclopedias.Motivatedbythisbackground,weintroduceanor-ReflectingthegrowthinutilizationoftheWorldWideWeb,anumberofWeb-basedlanguageprocessingganizationmodeltoFujii'smethodandreformalizethewholeframework.Inotherwords,ourproposedmeth
7、odshavebeenproposedwithinthenaturallan-guageprocessing(NLP),informationretrieval(IR)methodisnotonlyextractionbutgenerationofency-clopedicknowledge.andartificialintelligence(AI)communities.Asam-pleoftheseincludesmethodstoextractlinguisticSection2explainstheovera
