Locating and Reusing Sundry NLP Flotsam in an e-Learning Application

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1、LocatingandReusingSundryNLPFlotsaminane-LearningApplicationAnjuSaxenaandLarsBorinDepartmentofLinguistics,UppsalaUniversity,Box527,SE-75120Uppsala,SwedenandComputationalLinguistics,DepartmentofLinguistics,StockholmUniversity,SE-10691Stockholm,Swedenanju.saxena@ling.uu.se,

2、lars.borin@ling.su.seAbstractWedescribethebackgroundandmotivationforane-learningproject—IT-basedCollaborativeLearninginGrammar—whereNLPresourcereusehasbecomeanimportantissue.Theresourcesareofseveralkinds:POS-taggedandsyntacticallyannotatedcorpora(treebanks),parsingsystem

3、sandgrammarwriter'sworkbenches,andvisulizationandmanipulationtoolsforlinguisticallyannotatedcorpora.Ourexperiencethusfarhasbeenthatalthoughthereareanumberofsuchresourcesavailablee.g.ontheWeb,asarule,numer-ousincompatibilitiesandlackofstandardizationatalllevels—markupform

4、ats,linguisticannotationschemes,grammaticalframework,softwareAPIs,etc.—makethereuseoftheseresourcesintoanon-trivialendeavor.0.Preamble:theSettingapproachthematerialandconducttheinvestigationfromaItisgenerallyacknowledgedthatthegoalofteachingperspectivewhichsuitstheirindi

5、viduallearningstyles.Agrammar—especiallyattheuniversitylevel—shouldnottextcorpusconsistsofnaturallyoccurringlanguageinitsprimarilybethatstudentsmemorizedefinitionsofconceptsnaturalphysicalcontext,sinceitismadeupofcompleteandgrammaticalconstructions,butratherthattheyunder-

6、textsorlargetextfragments,asopposedtothemade-uporstandandlearntorecognizedifferentstructuralpatterns.isolatedsinglesentencesorphrasesoftenusedtoillustrateThiscanhardlybeachievedwithoutgivingstudentspracti-grammaticalpointsinlinguisticstextbooks.Thisaccompa-caltrainingint

7、heskillofgrammaticalanalysis.Researchnyingphysicalcontextmakesitpossibletoinvestigatethehasshownthathands-onproblem-solvingismorestimu-textual,discourse-level,functionsofthegrammaticalphe-latingandthought-provokingthanwhentheinformationnomena.andresultsarehandeddowntothe

8、pupilsduringlectures.AnoutlineoftheproposedtrainingmaterialispresentedFurther,ourexperiencehasbeenthats