emnlp2001

emnlp2001

Course Number: CS 2001, Fall 2008

College/University: Cornell

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AbPP gy bh gb bbTbPc bP( bPgWPg W gb bTbP g 0 byPgP 3m B ( ' # 9 k 9 6 ' 'WbPb0PgP P P bgb7gP b g7gy P ggP(bb g A gvg g(biIPggbbbbb'geg 9 ti"Ppbgbbgbg0gtPbPWgg v'BtPbbb g P bz P gg t bbbPgzgb2PgbP gggRPgP Wg(H gEgggb gPg b gP P b0PgP ggP 9bb PggP!gg(b b g gP PggegPb ggb v(ggP Pgb 7Rg PgEgPRP ggbPgRgt tBPb bPP bgxPgWb gb g ggggbcPbgP b0Pg5 gg7gPgHWb9Pg g bb bPbRgbPHPePgtb g PggbTgegW'gtgtb Pb gbPbP7betgh 0vgg e'gg' PbgP P b gbgbb b 4P9gAPPbhggPb ggHb Pg P PgWP b gP ggghgP & b bgbPP bgi G bHb Pb g g P9 gb t!g ggg gHPP P Pg bP bgb gbt H d G fG vYQ ET77I F E bgPg Rc ggtg gP( Ag bg bygP PPPgPb& g ggP PggPgWg WbPP g PPgbggPPg7gP( bPggPgyg gg Pbb 1 y5 6 A 6 Pg 'gP g gP2Pg bPg gPgB Wg bb bb bPg CC gg PP g P D B PgP Pbbggg ggb g 2BgP gv@ z8 P2P gbW 9 7 g bg bP bgbgP PP Pb R ( ds z z n ox q r o %p4u'2m1 y ox o rx mmW'piy'mp%"m4d)%dps x s v o y } v z { s | z n o | v r n 5 4 z s 3 vw y n z { { 6"d)d%ym%r z y v r n s r 1 x o rx s { ox o %)%d%2mW'ummmp| | o w s md30'mWydn ) sro qo m%2mA%%yW'p%1d%r vw | ox q r o xx r n z |x o rx sw | z q z s ~ zxx ' % ~# ! ~ nz (i~ & %$""'4 xw s v t z s d2Ad %p4 zn | ox q r o m%2mmdymmd%)%pm4d)%dps y o s { ox o | x z y v r n n o | v r n z %im23%i6mpd%mh%dps ow v z ~ n o }w | | rx { vw r n z %Am23%A6mpd%mh%dps ow v z ~ n o }w | | rx { vw r n o v z y xw s v t s r o q o %)Ap2u'mWydn PWW&by g bgP yg9b P bgpgbtb bgg P bgbP b1 gg gb g9gPWgP g yb g gPgP bgb0be5g bgPg (ggt 2Pg gPgxg PbbPg gb$ $Pg92 f2bcbaYWTRupsrphYTRP e d ` ` XV US Q P t gq i gVV Q P ggbb 7 Pggbg PbbHP( gbgPPgEggPb0Pb ggEP(Pg gbgPb Rggb 0Pyg gPgbeg bPb gbEgPP gtbP bgb(g PgPh ggPbtggPgbbb g (pP bggbgPg2gWgPbPBgP b &gbPgPgP gcP bgbPg bb g zgbgxbP gggb Pg9gWg PgpcygWggHb t ge&P bgggggPggPb P bg bg9tgb$gPcPggPcg b1 PWggPggg(bRPbPg g Pg9bPb& gWPgHg$ 0 t & gP PgbPb PgRgb W WPgg(P g gbeg Pbggg9gggVgPb!P4ggcg P P g gPb RtgggbPPgv EPgbt R0gP9g gPg' b1Pgyb P gg9P9P g ggyPgbt H!Wbgb!Pb& P g g&gbgW P gPgzgbPg ggbbgPP bggE(Pt tbgPtg Pg2gg (gb$gPPgxgggPgggeB P g7bbPg0P gP bb PgH2bg'PPbbtP gPg gbPbgbP gb PgWb$bPb&gg &tgb$gP g gP ggb7$Pg2 gggbg E Wbe2g PPegPg W2b P gtggtb PbPg g PgbPb!cP gctgtbcegPgb PbbPg tggPgtggP gP b RgPvbPbP gPgP bg bEgbbgPPgP P BgggP9Pgg ggggby gggPggcP bPg g7P $gbPg9bPb Pg!bgg bHbPggPgyb$&gP gP ggb PgcbPbcPgvb g vbgBP Wg tggPP bb e d ` ` XV US Q Pgz'BgggbgP2PgbgPbc f2bcbaYWTRP gg 0gPgbWggbPgPb gtyPPbPgPbgPgHggPyg9P gtyP b A gbb 9 bb BP gPg d F h Q a c G F QV a vh r Q F Q a YHd1HPHYd"p%HHd1X wV a Yd'PF QSc Se F %R'j Q X f Q G S F F r Q F q X e F G S Q v F q c a Q v ch e FV F '%%Hx2%H"P%%PH"HPP%dyH%pPYP2f w a V gV Q q F G G S q ch e G a q vh e gV `h v S vV a duYHPPHHxP'YkHHY'Y%pHuHYdY%Pd%%r eV X S q c a ` X r F x P bgbygP0 g g gg P(PbbcPg9gHb gbbgP9 vbW2P bWgbbPP Pg BgPgbBgg'(PgbxbPWg gPg gp(Pg7P gbWtP7Pgagg7gPg g gvP bgb9ggggbPPg g y gggb (g PbP gggb&b PPgP 9bgbbbg&P bP g0g bbBtgb$gP g2b TbBgb72PgbbPP Wtxggg gx2Pb g WgbgbcbPgvbbPg bbPg ggyPbgggPgg 9bgg P ggggg g7PgbPb PbPb P ( gPgPg Pgbtt2 t g 'ggg9PgggPggPbRbPgg PggPg 0 P 9g gc P TbgP ggb gW'gP7bgbPPW Ptg1g bE gg gt P bgbb bP b P gWWPgtbgPgbP bPggPgvyg g gPgP gg nwvP g yPHg g9gP P ggb!P g&Pbggt bgbP gR ( ) gbbb i bbb bgE PWggtb 'RgPgbP gzWg 2P ggb(b2ggPP g Pb R i 0.86 0.87 0.88 0.89 Accuracy 0.91 0.92 0.93 0.94 0.95 0.96 0.9 Accuracy 8 PPggPb$bbgbgPcggEP ggbggPgPgb$ P9g gP'bPbPg2 P bP&P gg Pg'b gbg gb gP bgPgbPgvWWbebbWP$PgP 9gggbPg 'Pgtgtb egPgbPgPggP bgcbgPgP(P bgbbbgP&P g Pb R ( i 0.925 0.935 0.945 0.955 0.92 0.93 Accuracy 0.94 0.95 0.96 0 0 100 100 200 200 300 300 Accuracy of Left Classifier (L = 200) 400 500 600 Iterations of CoTraining Accuracy of Left Classifier 400 500 600 Iterations of CoTraining 700 700 800 800 900 900 1000 1000 0.94 0.95 0.96 0.97 0.98 0.99 0.86 0.87 0.88 0.89 Accuracy 0.91 0.92 0.93 0.94 0.95 0.96 0.9 1 0 0 100 100 200 200 300 300 Accuracy of Left Classifier (L = 1000) Accuracy of Labeled Data 400 500 600 Iterations of CoTraining 400 500 600 Iterations of CoTraining 700 700 800 800 900 900 1000 1000 bg b d j SV F f e F v v F G e e a vh F X v vh vh "yYP2iPHHPH%'BY%HHpWp%r FV Q QhV S S Q pHHYYhH3HYh rQ j Qa rQ "HHPs'xPq cGFq cS d vaQ F rQ IS FaGFSq FQa W)Hdy'H%xdyPxmPHd1X V a c Sh Qh e e a d1YHp%'dkpRHP%r c a vh F G F w F e a F Fh r q a S Q FV f a F f Q S c g a ` ch ch a G Qw S q a Q a e V a h Qh c P'6PY%pHp%d6ix'Re%Y'YdyH4s%yeHY'Yh A ( ' ( 4 1 bg cg7gg PbbbbhbgggPg 9 bb gg2 T& tP bb ggggbB ggPggtggPcgPg R b W bW g7bzvt2Pgz2 gW2Pg gPbPgP gA7Pgv b P bWgPhgg Pg&P bbHggggb g EPPpP bggb (begb bPg bggg gg ggWgg bP bgWbg gbP P g gg(gP g 2PgBtbgPbgg gt& g7tyPg9P W g tbWcP g9vggP ggPgg9btgb g b bgg 0g 7 g2ggPgEb gg P2 P Pg gggP g gggP9gP g Pgy PgPgg &ggb tH gg P gWP$ bg gb bD(PgB!g 9 b'PPg'gtP gPggg bgPgP bg bbPgg g!g 0gPb gPg'ggg PWP gg bv gP gPgpP gPgbbg Pgz'Pgz(b gPgW gb2gg b7gPg'PbPggP gPg9 Pb gPgg Pg9bggg g9Hgg gg b7g gPW vg gg ggPgg bggP1ggPb2PP2 ggP bPt P bb Pgbtg b9gbPbEbbPgyP bb ggggbB&bPbPgH9tb 0 e g d XV g Q P X P bWggPgPg P ggt aYpa(a6U & ' gP yggPPtWP g bWgP&P bgbgggggb7 ggbP PgP W(t'bggPHP ggHt P gb2 gb7b bPP P 7b ''bbWPWb7Pggby7gcW PtPgg gPgP gPgbg b7Pg 9g gg2gP g 0PgP'P Pgb2Pgbx'P bbWggggbPpP Pgg (g bbEgPP(PggPg(g gbbPg('P(gP g P0t Pb ggbP(B g7 ggRbgbP PWtEb btP bgb g&Pb Pg P P gg bg ggPyb HVP g g b gP gggPP bggy cP bgbcgggg gbggP'P bggPg7gP&P Pgg b b5 P ggbg9g W PRggbbbbbEg Pg0P ggg'geg ePc PPg2 &P bgb&gggggggb wbPgggtPbb7gW g gg Bgg P bgbg gvPgg Wg9 gg ' &PHg g tgh P g'Hg PgbPbgg gb&gg gPg ggPP bgb bPgbPPcgPg2b PgPg$gP HP!g g gtgP!bP!g g b PgbcPg9g9 P0 gb W bbbDPgg g bPWPgbPg 7 b P bgg ggggbgbPgPx ( P gygg7gPg e&P9bPgP bgb Tb P bgb9ggggggBgibbcgHgVgggg 9 P gP ggggBPg g2PbPbgEg gzbP bgbggggggR 2Pb R i 0.925 0.92 0.935 0.945 0.955 0.93 Accuracy 0.94 0.95 0.96 0 100 200 300 400 500 600 Iterations of CoTraining Accuracy of Left Classifier 700 800 900 1000 0.925 0.92 0.935 0.945 0.955 0.93 Accuracy 0.94 0.95 0.96 0 100 200 300 400 500 600 Iterations of CoTraining Accuracy of Left Classifier 700 800 900 1000 gg 7 9 i 7 # 9 @ " u 8 8 i & ' ) 7 9 3u# ! u Pbgbg 0Ptg bP 9b g g0!gPgP Wb bbgbAg tT&g g P bbbbgbb P G t z o q bz gHbb bxrr {gc m m w v bRybY1yWbtxbrb Yb1B b tgPP9PbP gb gWWbg Pgg4 PPgP b gggg bbgbg P( utr k q p k Hrs cl bbb7bbb'(g m gB1pbbtIgbgY1bE P ggbg BPWggPg g P ('bbbb(gPT 9v&D v bbbgbbb Pbz gbggbp11 o m k 1gb1n ab1bblbb1t j YgbtWPgggRgbPgbPg9$ gg P gg9g&vggPP&ggtgbg5 bbgb 7g(g bbg2 P Xa dX` X ~ PEbX 9i gbb byP' bbbgb g ' 9 P 2bbbgbgbbb bgtbHE tgc 9gggbPPg Agb! R PbgbbP gPbg gPbtbPPgP ~ dX h S f gdf $ TXERra | 'P gg b bcg P bg gg2bWP ggb vPg9gg gPg gP bbPg'7ggPg P b$PP bgPbP b P gg cgg gPg7g& b PgPgP ggg&vb'gPPvg g R gP ggg7gPge(gPgPg g bPb PgRgP2P bb ggggbBbggPP&Wt2PgWbPP(Pg P g P2PbPg bpP&g g Pbt bW'P bbggggggtzgg Pg gg7P 'P bbbPg bg gpPWg ggBPgbt PgggPPggtthPbgggPggPb gb ggg ggg P bgb7bP P bgg g PggP&gg pggb7 Pgggb&g bPb cg PcPgB&PPbP!g gT&R ggPbgP bgWP !g 7Pg RgbegP0tP cP g gPgg gPg bPVg gW'Pbb bWegbvgPPgg b97Pb g7 5P bgb ggPg g&PAg bP bbcbP gg b b Pgg g4PP PbPgP 7tEygyP g7P0gb PbPgcPg!gP bggP P gg bt Pg ggg g g d f a d ~ vTQ ~ YPBve e gb gPPeg b gWg gt2bg H 7gPgz(bb$7tbggtg ' b2P Pggbt'WgPt & g gg b bPPcbWtHPgg&gPhg& b bgPgb9gP g gg t bg $PtvgbeWtWPg&gtggPg g bg gPhbggbg P gg gggggbhb0gPgg 9 b 7t9H( ggP Pg gge b g Pg9g bb$ gP g bgvg H g79R PgPbbgP Pgg 2PggP 1 bW gP ggR bbtg(0Pgg(P g2Pg(gRb Wb EbggPvb2Pg v9 bWP bWP ggPgg PiggP&g P gg&b g''bbPg PRPgbPggPWg gPPxg P g bgP gxgPg gP 'gtPbbbgcyPhg ggPgb bWDgP g&ggbtg P g gg7gPg gbbP0PPbV bggPege2g W7Pg9P g b g RPgP gg Wgg gPg g P g2gggbPgyg Pg2 gb tWbPyP 1ggH ggPi g9P g Pg&P b$ ggpgb bW 9P pg bgPP&P bg ggP P bPgh bgP P gg gg gPg 7g g PggbPPe g W t&P PgggPPgWbgH ggbtPv& b0g g PPbxtPgbWbggPgggWgbPT PP9 gtggPbWggHg &gP PgbgRbgPgg 'P PPBdPbgg gbeg(Pb g 2& &gPb bb&Pg9 bgb Tbcsbb$ bPP bebPPgg ag Pb P b7yg gPtPgP ct'Ptgbbbgggb9 b bbbE( 7'ggbPPWtBPgg gb PP gPb g bbgbgbbb0PvbgPg gWbbgbvb'bPgVg9D ggP gbPg bbgb9g vgP bgb&Pg $ " ' u x U) ( m 9 ( 7 % ( m ( m H 7 U k x 7 R ( m 7 # ( m u 7 g u G gbbHgbb1 t1bbb'(ggp&gb12b m m v v Y1ybbrb0YBb1B Pgcgg gPgPbtybb b P Pgb g 7PgPBybgbbygtg$g( bgbb bg gt2 xrr I r m Yb1B tPPtvg9P gP bbbgbgP APP PbWE G bb b1 1go gn b111bRbbg | m gH1bE PPggbgg tb bgtb Wb be b PP gg gbbbWPb ( b E bg yggg P b ' $bzvgc1b7y 1z 7EH1gb7gtb2A 'P PggggPbWgePgP PP PPT t gbbb P9h9 gb( G b'gb b gbbb7b1b& 9B P Pgt7cg gP9g g gb gbbbbgPv 9 PgPPDW b94 Wg u Hgbb o p 001bby21g bybb o o b1gb1pb(bbg12 P bgbB' P9Pb g7 PgPg g bbgb g gbb G o m Hbbbzp11 g0gn b111 | bgbb211 bB1gB PPggygPbbg g bbbb7T7bP Ebgt 9BPbg PE G o q bHbgb1gb9~ | o m bbbgpgs '(gd1 q mo k 11bRfT gPP'bt bg g' g 2 b bbg P bbP P g vDb 99 G bb$Hbg bggb7gt1 bbgbR7PgP P g 'P 'PPgg!ggbPPcbghP P9bgbb bPgbg P ggP9b9 gbb G H bg7bbyb21pb bbb1g1 B&byY1b1E o P gggg gPgEbP b ggP PbPbgggBW bggE gbb G | Hgb bbbg111$ g1tb | j Y2bg'P gbtgb P P gg P PgAb g bPbbPg Pb g b gbygg( Pgx G | | bb'H bbb7E1ch 1bg| b$ B bYBbtbtIWg bb b E Pg j P g ' gVP gb 9 b b P P g gPg ur Hrr 2yBTp bzvgb7 tbB1gb7 btb9b1g1ybEg1pb k m z o | j r r r WdTbtxrrbH1bE b g tgbbeg7gg gPgPBbbgb gP P9 P99 G $bgHbb bgbgg7b1gy P ggg bg 0g g bPbP $gP gbPb PbRB G b sbb bp11B&1bt1b7btb bBm | b11bbbYWb1B tgggggPPBbggPPPbP0 bbggPgggvgg bgbbTPtR G u m m p b bsbbbzsbbb9T 2m~1 11bRE1gb7btb | m 1 }b Y 1b1E Wgg gtgDPgPg gP1 bg$P gPb
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