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1、DerivingVerbalandCompositionalLexicalAspectforNLPApplicationsBonnieJ.DorrandMariBromanOlsenUniversityofMarylandInstituteforAdvancedComputerStudiesA.V.WilliamsBuildingCollegePark,MD20742,USAbonnie,molsen@umiacs.umd.eduAbstractselectingtenseandlexicalitems
2、fornaturallanguagegeneration((DorrandOlsen,1996;KlavansandVerbalandcompositionallexicalaspectChodorow,1992),cf.(SlobinandBocaz,1988)).Inprovidetheunderlyingtemporalstruc-addition,preliminarypyscholinguisticexperimentstureofevents.Knowledgeoflexicalas-(An
3、tonisse,1994)indicatethatsubjectsaresensi-pect,e.g.,(a)telicity,isthereforerequiredtivetothepresenceorabsenceofaspectualfeaturesforinterpretingeventsequencesindis-whenprocessingtemporalmodi ers.Resnik(1996)course(Dowty,1986;MoensandSteed-showedthatthestr
4、engthofdistributionallyderivedman,1988;Passoneau,1988),interfacingselectionalconstraintshelpspredictwhetherverbstotemporaldatabases(Androutsopoulos,canparticipateinaclassofdiathesisalternations,1996),processingtemporalmodi ers(An-withaspectualpropertieso
5、fverbsclearlyin
uenc-tonisse,1994),describingallowablealter-ingthealternationsofinterest.Healsopointsoutnationsandtheirsemantice ects(Resnik,thatthesepropertiesarediculttoobtaindirectly1996;Tenny,1994),andselectingtensefromcorpora.andlexicalitemsfornatu
6、rallanguagegen-Theabilitytodeterminelexicalaspect,onalargeeration((DorrandOlsen,1996;Klavansscaleandinthesententialcontext,thereforeyieldsandChodorow,1992),cf.(SlobinandBo-animportantsourceofconstraintsforcorpusanal-caz,1988)).Weshowthatitispossibleysisa
7、ndpsycholinguisticexperimentation,aswelltorepresentlexicalaspect
8、bothverbalasforNLPapplicationssuchasmachinetransla-andcompositional
9、onalargescale,us-tion(Dorretal.,1995b)andforeignlanguagetu-ingLexicalConceptualStructure(LCS)toring(Dorretal.,1995a;Sams,
10、1995;Weinbergetrepresentationsofverbsintheclassescat-al.,1995).Otherresearchershaveproposedcorpus-alogedbyLevin(1993).Weshowhowbasedapproachestoacquiringlexicalaspectinfor-properconsiderationoftheseuniversalmationwithvaryi
