lisp nyc may 12, 2015 - meetupfiles.meetup.com/1748515/lisp-nyc_passonneau-v2.pdf · kissidougou....
TRANSCRIPT
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LISPNYCMay12,2015
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WhatisaWiseCrowd?• SirFrancisGalton,Naturear=cle1907,VoxPopuli– Guesstheweightoftheox?– Takethemedianofguessesfromacrowd
• Applieswellto– Quan=tyes=mates– Spa=alreasoning(trafficflow)
• JamesSurowiecki,2004,TheWisdomofCrowds
1. Independentanswers2. Diverseexper=se3. Local(decentralized)accesstoknowledge4. Amethodtoaggregatetheanswers
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WhyDoContentAssessment?• Peopleselectcontentformanypurposes– Students,towriteessays– Journalists,toreportbreakingevents– Automatedinforma=onsystems,tosummarize:
• Webpages• Newsar=cles• Opinionpolls• ...
• Peoplemakejudgmentsaboutgoodcontent
– Toteachstudentsreadingandwri=ng– Tochoosewhichnews/opinionsourcetotrust– Toevaluateautomatedsummarizers
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Example:AggregateContentModel• Asinglebreakingnewsevent• Fournewssources– Independent– Diverseexper=se(+/-medical)
– Decentralizedknowledgeaccess– Howtoaggregatemeaning????
• Pyramidmethod:aprocedureto– Aggregatecontentfrommanysources
– Generatesemergentdis=nc=onofcontentimportance
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FirstReportsofEbolaOutbreakinAfrica• FourearlyU.S.reports:health(WHO,CDC)andnews(NYT,WashPost)orgs
– Somecontentincommonamongall4– Whatcontentemergesfromthewisecrowd?
• WHO3/23/14:TheMinistryofHealth(MoH)ofGuineahasno=fiedWHOofarapidlyevolvingoutbreakofEbolavirusdiseaseinforestedareassoutheasternGuinea.Asof22March2014,atotalof49casesincluding29deaths(casefatalityra=o:59%)hadbeenreported.ThecaseshavebeenreportedinGuekedou,Macenta,NzerekoreandKissidougoudistricts....
• NYT3/24/14:ThefirstoutbreakofEbolafeverintheWestAfricanna=onofGuineahaskilledatleast59peopleandmaybespreadingintonearbycountries,interna=onalhealthagencieswarnedonMonday.Guinea’sHealthMinistrysaidmostofthe80knowncasesofthediseasewereinborderareasnearSierraLeoneandLiberia;earlyreportsofthreecasesinConakry,Guinea’scapital,wereunfounded,expertssaid....
• CDC3/25/14:AccordingtotheWorldHealthOrganiza=on(WHO),theMinistryofHealth(MoH)ofGuineahasreportedanoutbreakofEbolahemorrhagicfeverinfoursoutheasterndistricts:Guekedou,Macenta,NzerekoreandKissidougou.ReportsofsuspectedcasesintheneighboringcountriesofLiberiaandSierraLeonearebeinginves=gated....
• WashingtonPost3/25/14:AnoutbreakofthedeadlyEbolavirusisbelievedtohavekilledatleast59peopleinGuineaandmayalreadyhavespreadtoneighboringLiberia,healthofficialssaidMonday.HealthworkersinGuineaaretryingtocontainthespreadofthedisease,whichcausessevereinternalbleeding.InLiberia,healthofficialssaidtheyareinves=ga=ngfivedeathsakeragroupofpeoplecrossedtheborderfromGuineainsearchofmedicaltreatment.TheEbolavirusleadstoseverehemorrhagicfeverinitsvic=msandhasnovaccineorspecifictreatment....
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EmergentContent:Weightedby“Votes”• 4of4votes– AnoutbreakofEbolaoccurredinsoutheasternGuinea– AsoflateMarch,therewere30-60deaths
• 3of4votes– Therewereover80suspectedcases– EbolaisspreadingtoLiberiaandSierraLeone
• 2of4votes– Ebolastartedin4districtsofGuinea– Fourhealthcareworkerswereearlyvic=ms
– ...• 1of4votes– Ebolahasnovaccine– ....5/12/16 LispNYC 5
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Assessment:WeightedContent10ContentUnitswith�2votes;total=26points• CDC:16points(61.5%)• WHO:22points(84.6%)• NYT:22points(84.6%)• WashingtonPost:10points(38.5%)
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Example:MiddleSchoolScienceText(wc=1273)
What is Matter?
Matter Matter is the “stuff” that all objects and substances in the universe are made of. Because all matter takes up space
(has volume) and contains a certain amount of material (has mass), all matter can be detected and measured. You can observe some types of matter easily with your senses. For example, you can see or feel things like rocks,
trees, bicycles, and different kinds of animals. And you can see and smell things like smoke from a fire. Other types of matter are a little more difficult to observe. . . .
Properties of Matter You know that a piece of cork is different from a piece of clay. Cork will break if you squeeze it hard, but clay will
flatten or bend into a new shape. If you had a scale handy, you would find that a piece of cork weighs less than a piece of clay the same size. If you dropped both objects in water, you would see that the cork floats, but the clay sinks. Characteristics like these, that help us identify or classify matter, are called properties.
All matter has both physical properties and chemical properties. . . .
Physical and Chemical Changes . . . Energy . . . Forms of Energy . . .
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Summary:StudentfromtoptiercollegeMatterisalltheobjectsandsubstancesthattakeupspacearoundus.Mattercan
bedetectedandmeasuredbecauseitcontainsvolumeandmass.Trees,rocks,animals,dustmitesandairareallconsideredexamplesofmatter.Propertiesareusedtohelpusidentifymatter.Physicalandchemicalpropertiesarethetwomaintypesofpropertiesusedtoclassifymatter.Physicalproper=esareobservedwithoutchangingtheiden=tyoftheobject.Forexample,claycanbemoldedintodifferentshapesandsizesbutthemoldingdoesnotchangethesubstancesinclay.Chemicalproper=esofmanerarecharacterizedbytheirabilitytochangeintoanewsubstancewithdifferentproper=es.Forexample,paperburningintoashandironsabilitytorust.Thereisalsoaphysicalandchemicalchangethatexistsinmaner.Thedifferencebetweenaphysicalandchemicalchangeisthatachemicalchangewillcreateanewsubstancewhileallthechemicalproper=esinaphysicalchangewillnotchange.
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Summary:Studentfromcommunitycollege
Manerarewhatallobjectsandsubstancesaremadeupof.Allmanerhasenergy,volumeandmass.Inordertoclassifymaner,wehavehavephysicalandchemicalproper=esarethedensity,duc=lity,malleability,boilingpoint,mel=ngpoint,electricalconduc=vitysolubility,andI'msuremuchmore.Energycanbetransferredfromoneobjectorsystemtoanother,butenergycan'tbecreatednordestroyed.Mechanicalenergyarekine=cenergyandpoten=alenergykine=cenergydealswiththeenergywithobjectwhileitsmoving.Poten=alenergyistheenergyandobjecthasbecauseofitsposi=onorshape.
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Machine-generatedSummaryManeristhestuffthatallobjectsandsubstancesintheuniversearemadeof.Thedustmitesthatliveinyourupholsteredfurnitureandrugsareanexampleofmanerthatistoosmalltoseewiththenakedeye.Anotherexampleofmanerthat'shardtodetectisair,theinvisiblegasthatsurroundsyou.Thechartlistssomecommonphysicalproper=esofmaner.Squeezingchangestheshapeofclaybutdoesnotchangewhattheclayismadeof.Rus=ngoccurswhenironreactswithoxygentoproduceironoxide.Chemicalproper=esdescribemanerbasedonitsabilitytochangeintoanewkindofmanerwithdifferentproper=es.Twophysicalproper=esofthepaperitssizeandshapehavechanged,butnotitschemicalproper=es.Mechanicalenergyistheenergyanobjecthasbecauseofitsmo=onorposi=on.Therearetwokindsofmechanicalenergy:kine=candpoten=al.Missing:Howtoclassifymaner
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Outline1. HumanComprehensionModel2. State-of-the-ArtinContentAssessment
3. PyramidMethodandReliability4. AutomatedPyramidMethod
5. Educa=onalRubricsandAutoma=on
6. ExampleRubric:MainIdeasofWhatisMa9er
7. Correla=onofPyramidScoresandInterven=onRubric
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Kintsh&vanDijk,1970s• Cogni=vemodelofreadercomprehension– Specificmentalprocessestransformproposi=onalcontentintoamentalmodel(situa=onmodel)
– Readersdrawinferences• Situa=onmodel
– ≠listofallproposi=ons+inferences– reflectedinabilitytosummarize
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1.1.HumanComprehension
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Students’SummarizationSkills• Developovermanyyears(Brown&Day,1983;Brown,Day&Jones,
1983;Day1986;...)• Studieddevelopmentofsummariza=onmacrorules(inspiredby
Kintsch&VanDijk)– Dele=on:omitunimportantorredundantinforma=on
– Superordina=on:subs=tutecategorynameforinstances
– Selec=on:reusetopicsentencesfromsourcetext– Construc=on:createnoveltopicsentences
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1.1.HumanComprehension
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RubricsforContentSelection• Waystoiden=fy“important”content– RatersAiden=fyideaunits,ratersBjudgeimportanceon4pointscale(Brown&Day,1983)
– RatersAiden=fyideaunits,ratersBeliminate25%,ratersCeliminate50%,ratersDeliminate75%;importantifnevereliminated(Brown,Day&Jones,1983)
– Ratersjudgeimportanceofeverysentenceinsource(Day,1986)
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1.1.HumanComprehension
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ROUGE• Automatedcontentevalua=on• Widelyusedforlargescaleevalua=onofmachinesummarizers
• Method:n-gramrecall:– Collect“reference”summaries
– forngramsfrom1toN,countnumberofmatchesofasummaryngramtoareferencesummary
– Normalizebynumberofngramsinreferences
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12.State-of-the-Art
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ROUGEforEducation?• Macro-levelevalua=on:Howwelldosystemsdoonaverage?– Scoreoneormoresystemsonmul=pletasks
– ROUGEmacro-levelevalua=oncorrelateswithhumanresponsivenessscores
• Micro-levelevalua=on:Howwelldoesasystemdoonagiventask?– Scoreoneormoresystemsononetask
– Poorcorrela=onwithhumanresponsivenessscores
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12.State-of-the-Art
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Illustration• Sourcetext:WhatisManer?(1273words)• Wisecrowd:5mastersstudents,TeachersCollege
• Subjects:communitycollegestudents• Instruc=ons:– Answer7ques=ons:Whathelpstoclassifyma9er?
– Writeasummaryofoneortwoparagraphs...astatementmostlyinyourownwordsthatcontainstheimportantinforma=on...
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3.PyramidMethod
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SampleStudentEssays• WiseCrowdExample:Matterisalltheobjectsandsubstancesthattakeupspacearoundus.Mattercanbedetectedandmeasuredbecauseitcontainsvolumeandmass.Trees,rocks,animals,dustmitesandairareallconsideredexamplesofmatter.Propertiesareusedtohelpusidentifymatter.Physicalandchemicalpropertiesarethetwomaintypesofpropertiesusedtoclassifymatter....
• StudentExample(Target)
Manerarewhatallobjectsandsubstancesaremadeupof.Allmanerhasenergy,volumeandmass.Inordertoclassifymaner,wehavehavephysicalandchemicalproper=esarethedensity,duc=lity,malleability,boillingpoint,mel=ngpoint,electricalconduc=vitysolubility,andI'msuremuchmore.Energycanbetransferred...
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3.PyramidMethod
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PyramidMethod:Step11. ConstructthecontentmodelinDUCViewGUI
1. Collectexamplesfromexperts(thewisecrowdN=5)2. Annotatetheexamplestoiden=fycontributorstoCUs,i.e.,sharedcontent
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3.PyramidMethod
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PyramidMethod:Step11. ConstructthecontentmodelinDUCViewGUI
1. Collectexamplesfromexperts(thewisecrowdN=5)2. Annotatetheexamplestoiden=fycontributorstoCUs,i.e.,sharedcontent
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3.PyramidMethod
4thContributor
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PyramidMethod:Step11. ConstructthecontentmodelinDUCViewGUI
1. Collectexamplesfromexperts(thewisecrowdN=5)2. Annotatetheexamplestoiden=fycontributorstoCUs,i.e.,sharedcontent
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3.PyramidMethod
4thContributor5thContributor
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PyramidMethod:Step11. ConstructthecontentmodelinDUCViewGUI
1. Collectexamplesfromexperts(thewisecrowdN=5)2. Annotatetheexamplestoiden=fycontributorstoCUs,i.e.,sharedcontent
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3.PyramidMethod
CULabel4thContributor5thContributor
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PyramidContentModel• Weightsrangefrom1toN,thenumberofmodelsummaries• Weightspar==ontheCUsintoapyramid
– EachnextweighthasfewerCUs(powerlawdistribu=on)
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3.PyramidMethod
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PyramidMethod:Step22. Assessastudent’sessayinDUCViewGUI
1. Iden=fymodelCUsthatoccurthestudent’sessay(target)
2. SumtheweightsofthetargetCUs3. Normalizethesum
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3.PyramidMethod
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PyramidMethod:Step22. Assessastudent’sessayinDUCViewGUI
1. Iden=fymodelCUsthatoccurthestudent’sessay(target)
2. SumtheweightsofthetargetCUs3. Normalizethesum
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3.PyramidMethod
MatchsummarywordstomodelCU
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Normalization• Model(60CUs)• Target(5CUs):Oneofeachweight
– w(5,CU1),w(4,CU4),w(3,CU12),w(2,CU26),w(1,CU45)– Sumtargetweights:5+4+3+2+1=15
• Quality(Precisionanalog):HowhighlyweightedarethetargetCUs?– Maximumsumfor5CUs=23(3×5+2×4)– 15/23=0.65
• Coverage(Recallanalog):Howcloseisthetargettoanaveragewisemodel?
– Average#modelCUs:26– Maximumsumfor26CUs:88– 15/88=0.17
• F-measure:Harmonicmeanofrecallandprecision:0.41
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3.PyramidMethod
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HowReliableisIt?Stableandconsistentmeasurement1. Howbigshouldthewisecrowdbe?
2. Howconsistentarepyramidsfromdifferentannotators?
3. Howconsistentaretheassessmentsfromdifferentannotators?
4. Howconsistentlydodifferentpyramids,withdifferentassessors,ranksummariza=onsystems?
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3.PyramidMethod
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HowManyModelSummaries?Threemethods,sameanswer:≈5Groundtruth:pyramidscoreswith9modelsCompareresultswith1..8modelswithgroundtruth• Method1
– 3kindsoferror• Falseequivalence• Falsenon-equivalence• Reversalofranking
– Howmanymodelsun=lp(error)≤0.1?– Answer:5
• Method2– Howmanymodelsun=lscorescorrelatewithgroundtruth?– Answer:5
• Method3– Howmanymodelsun=lnomisrankinganypairofsummaries?– Answer:5
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3.PyramidMethod
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Method3
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3.PyramidMethod
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AnnotatorAgreement:ModelKrippendorff’sAlpha+set-baseddistancemetric“Real”annotators(par=cipantsinDUC)
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DUC2006 Set-BasedAgrD0608 0.84
D0615 0.81
D0624 0.83
D0629 0.89
D0640 0.75
3.PyramidMethod
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AnnotatorAgreement:AssessmentKrippendorff’sAlpha+set-baseddistancemetricRecruitedannotators(non-par=cipants)
Comparisonwithexpert
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Novice MeanAgr Range Sd
A 0.78 [0.64,0.87] 0.08
B 0.78 [0.46,0.97] 0.14
C 0.77 [0.58,0.86] 0.09
3.PyramidMethod
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SystemRanking• Comparedifferentevalua=onsofsamesummariza=onsystems– Differentpyramids
– Differentsetsofassessors
• 16systemson5summariza=ontasks
• ANOVAwithTukey’sHonestSignificantDifference– 120systempairs– Only2/120pairsdifferedinrela=verank– Onewasanoutlier
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3.PyramidMethod
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HighlyReliable• Withatleast5models• Onpyramidannota=on
• Onassessmentannota=on• Onsystemrankings
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3.PyramidMethod
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PyrScoreForeachstudentsummary(target):1. Enumerateallcandidatephrasesineachsentence
(segmenta=on)2. RepresentmeaningofeachtargetphraseandeachCU3. Measureseman=csimilarityofeachcandidatetoeachCUto
findbestmatchforeachngram4. Foreverytargetsentence,rankthe(segmenta=on,CUpairs)5. Applyaweightedsetcoveralgorithm(Sakaietal.,2003)to
selectthebest“coveringset”ofCUsthatuseseachCUonlyonce
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4.AutomatedPyramid
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2.RepresentMeaning• Distribu=onalseman=cstocapturelatentmeaning– Basedonfrequencyofwordcontextsinalargecorpus– Mo=va=on:differentwordscanhavesimilarmeaningsMatter has volume Matter contains volume Matter takes up space Matter occupies space Matter takes up space defined as volume Matter is composed by volume Matter is something that takes up space Matter is something that occupies space . . .
2/26/15 VirginiaTech 35
4.AutomatedPyramid
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2.DistributionalSemantics
Word S1 S2 S3
occupy 1 0 1
take_up 0 1 0
maner 1 1 1
space 1 1 1
energy 0 0 0
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LatentSeman=cAnalysis(LSA)• Similardistribu=onsforsynonymouswords:occupy, take_up• Donotco-occurinthesamesentences(rows1-2)• Co-occurwiththesameotherwords(rows3-5)
• Matrixreduc=on:reducesize,retain/enhanceinforma=on
4.AutomatedPyramid
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2.WeightedMatrixFactorization• Latentmodelspooronsentencesimilarity
– Sentencecontextsaretoosmall
– Wordsimilaritymethodsusuallydobener(eg.editdistance)• WMF:alatentmodeldesignedforsentencesimilarity
– LikeLSA/PLSA/LDA,observedwordssignalpresenceofcontext– Alsousesunobservedwordstosignalabsenceofcontext
• Implementa=on
– Eachphrasemeaningisavocabularyvectorofweights– Compare2vectorswithcosinesimilarity
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4.AutomatedPyramid
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3.MeasureCosineSimilarity• CUID106,weight4=5stringstocomparewith
Label: Matter has volume and mass. Contributor 1. matter contains both volume and mass
Contributor 2. matter takes up space defined as volume . . . Contributor 3. Matter is anything that has mass and takes up space Contributor 4. matter contains volume and mass
• Calculatesimilarityofcandidatetolabel,andtoeachcontributor• Possiblevaluestocountasamatch
– Maximum
– Minimum– Mean
– Median
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4.AutomatedPyramid
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4.RankCUSetsperSentence
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SEGMENTATIONSOne of: 11 unigramsenergy | is | a | property | of | matter | and | all | matter | has | it
Ten of: 1 bigram, 10 unigramsenergy is | a | property | of | matter | and | all | matter | has | it
energy | is a | property | of | matter | and | all | matter | has | it
. . .One of: one 11-gramenergy is a property of matter and all matter has it
(SEGMENTATION, CU SET) PAIRSenergy is a property of matter | and | all matter has it
{{112, 3, 1.00 }, {}, {103, 4, 0.85 }}
energy is a property of matter | and all matter has it
{{112, 3, 1.00 }, {103, 4, 0.84 }}
4.AutomatedPyramid
Rankbyavgcosinexavgngramlengthxavgweight
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5.ApplyWeightedSetCover• Graphtraversal:giventopN,choose– Onenodepersentence(solidedges)– OnenodeperCU(dashededges)– NodesweightedbyaveragesumofCUweights
• Solu=on:Nodes2and6
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4.AutomatedPyramid
S1seg2:{112,3,1}
S1seg1:{110,4,0.5}
S1seg3:{101,2,0.75}
S2seg2:{101,2,0.60}
S2seg3:{102,4,0.81}
S2seg1:{110,4,0.76}1
32 5 6
4
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PEAK• OpenIEextracts(S,P,O)triplesfromtext– Sentence:Alllivingthings,man-madeorfrommothernature
itself,aremadeoutofma9er
– Triples:Noisy;mul=pleoutputspersentence• Alllivingthings,itselfaremadeout,ofmaner• Alllivingthings,aremadeoutof,maner
• Foralltriples,ADWassignssimilarityscorestoall15pairsfromtwotriples:{S1,P1,O1,S2,P2,O2}
• Constructahypergraphfromtheresults
– Nodes:{S1,P1,O1,S2,P2,O2,...,Sn,Pn,On}– Edges:ADWscore≥0.5
– Hyperedges:Sametriple
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4.AutomatedPyramid
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PEAKHypergraph
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4.AutomatedPyramid
Salientnodes(reddonedcircles):degree≥3(basedon5modelsummaries)
S1 P1 O1
S3 P3 O3
S2 P2 O2
Sent-1,T-1
Sent-2,T-2
Sent-3,T-1
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SimilarityClasses
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4.AutomatedPyramid
Findbestcontributorfromeachsummary(highestaveragesimilarity)
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PEAKPyramid
s p o
Anchor matter is all the objects and substances
Contributor 1 matter is all the objects and substances
Contributor 2 matter is identified as being present everywhere
Contributor 3 matter as the stu↵ in all objects and substances
Contributor 4 matter makes up all objects or substances
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4.AutomatedPyramid
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PEAKAssessment
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4.AutomatedPyramid
Hungarian,orMunkres-Kuhnassignmentalgorithm• Bipar=teGraph• Assignnodesonlek(modelCUs)tonodesonright(sentences)to
op=mize“cost”
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ReadingandWritingSkills• Verballiteracyversuscontentassessment
– Readingassessmentthroughsummaries/essaysWhatcountsasgoodcomprehension?
– Wri=ngassessmentthroughsummaries/essaysWhatcountsasvaluablecontent?
• DisciplinaryknowledgeassessedthroughessaysWhatcountsasagoodscienceexplana=on?
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5.Reading/Wri=ngRubrics
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Rubrics• Nostandardmethodtoiden=fygoodcontent– Researchersdeveloptheirownrubrics– Difficulttocomparequan=ta=veresultsacrossstudies
• Labor-intensive– Itera=onoverrubricdesign– Reliabilitytes=ng– Trainingraters– Manualapplica=onis=me-consuming
• Verylinleanempttoautomateeduca=onalrubrics
– LSA:Butcher&Kintsch,2001– Rose&VanLehn,2005– Gerardetal.,2016
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5.Reading/Wri=ngRubrics
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Perinetal.2013• Study:ContextualizedCurricularSupport• 16communitycollegeclassrooms• MiddleschooltextWhatisMa9er?
– Buildbackgroundknowledgeforlatercollege-leveltext– Intactpassage
• Studentsreadpassage• Answered7ques=onsaboutthemainideas• Wroteasummaryinresponseto:
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6.MainIdeasRubric
Writeasummaryofoneortwoparagraphs.Asummaryisastatementmostlyinyourownwordsthatcontainstheimportantinforma=oninthepassage.Pleasewriteclearly!
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WhatisMatter?Rubric• MainIdeasscore– Apanelofexpertsiden=fied14mainideas
– Pyramidcontentmodel:60Cus• 3weight5• 7weight4• 13weight3• 15weight2• 22weight1
– All14mainideasareinthepyramidweights≥3• 3/3weight5CUs• 4/7weight4CUs• 6/13weight3CUs
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6.MainIdeasRubric
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ExperimentDATA• A:140studentsummariesforWhatisMa9ertask
• B:Subsetof40:manualpyramidassessment
Ques=ons:
1. Doesthemanualwisecrowdcontentassessmentcorrelatewiththemainideasscore?(B)
2. Dotheautomatedwisecrowdmethodscorrelatewiththemanualmethod?(B)
3. Dotheautomatedwisecrowdmethodscorrelatewiththemainideasscore?(A)
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7.Correla=on
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Results:Question1(N=40)
WiseCrowd:Manual MainIdeas
Rawsum 0.89
Quality 0.77
Coverage 0.89
Comprehensive 0.87
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7.Correla=on
Answer:Yes
Doesthemanualwisecrowdcontentassessmentcorrelatewiththemainideasscore?
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Results:Question2(N=40)
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7.Correla=on
Dotheautomatedwisecrowdmethodscorrelatewiththemanualmethod?
WiseCrowd:Manual PyrScore Peak
Rawsum 0.90 0.81
Quality 0.76 0.47
Coverage 0.90 0.81
Comprehensive 0.87 0.21
Answer:Yes
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Results:Question3(N=140)
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7.Correla=on
Dotheautomatedwisecrowdmethodscorrelatewiththemainideasscore?
Score PyrScore PEAK
Rawsum 0.84 0.69
Quality 0.58 0.22
Coverage 0.84 0.69
Comprehensive 0.83 0.36
Answer:• PyrScore:Yes• PEAK:Somewhat
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Summary• Ourapproach:aweightedcontentmodel– Notallmeaningshaveequivalentstatus
– Anemergentrepresenta=on• Advantagesoverotherautomatedmethods
– Veryreliablewithonly5models(!)fortraining
– Automatedandhumanmethodscorrelateverywell– Interpretablescores(quality/coverage)– Caniden=fyspecificideasmoderatelywell
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8.Conclusion
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Publications• Pyramidmethod
Nenkova,Ani;Passonneau,RebeccaJ.;McKeown,Kathleen.2007.Thepyramidmethod:incorporaEnghumancontentselecEonvariaEoninsummarizaEonevaluaEon.ACMTransacEonsonSpeechandLanguageProcessingVol.4,no.2,ArEcle4(May2007).
• ReliabilityPassonneau,RebeccaJ.2010.FormalandfuncEonalassessmentofthepyramidmethodfor summarycontentevaluaEon.NaturalLanguageEngineering16:107-131.Copyright CambridgeUniversityPress.
• PyrScorePassonneau,RebeccaJ.;Chen,Emily;Guo,Weiwei;Perin,Dolores.2013.Automated PyramidScoringofSummariesusingDistribuEonalSemanEcs.Proceedingsofthe2013 AnnualMeeEngoftheAssociaEonforComputaEonalLinguisEcs. August4-9,Sofia,Bulgaria.
• PEAKYang,Qian;Passonneau,RebeccaJ.;deMelo,Gerard.2016.PEAK:PyramidEvaluaEonvia
AutomatedKnowledgeExtracEon.ProceedingsoftheThirEethAAAIConferenceonArEficialIntelligence,February12-17,2016,Phoenix,AZ.
• ComparisontoMainIdeasRubricRebeccaJ.Passonneau,AnanyaPoddar,GauravGite,AlisaKrivokapic,QianYang,andDoloresPerin.
WiseCrowdContentAssessmentandEducaEonalRubrics.SubmibedtoInternaEonalJournalofArEficialIntelligenceinEducaEon.
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