Back-Translation_Sampling_by_Targeting_Difficult_Words_in_Neural_Machine_Translation.pdf

Transcript

1. #BDL5SBOTMBUJPO
   4BNQMJOH
   CZ
   5BSHFUJOH
   %J⒏DVMU
   8PSET
   JO
   /FVSBM
   .BDIJOF
   5SBOTMBUJPO
   
   .BS[JFI
   'BEBFF
   BOE
   $ISJTUPG
   .PO[
   &./-1
   QBHFT
   r
   -JUFSBUVSF
   SFWJFX /BHBPLB
   6OJWFSTJUZ
   PG
   5FDIOPMPHZ
   
   
   
   5BLVNJ
   .BSVZBNB
2. ֓ཁ ⾣
   ຋༁ͷ࣭ͷ޲্ʹޮՌతͳٯ຋༁ͷαϯϓϦϯάख๏ͱ͸ʁ ⾣
   8.5
   OFXT
   USBOTMBUJPO
   UBTLͰϥϯμϜαϯϓϦϯάͷ ٯ຋༁ʹൺ΂ɺ#-&6͕ %F&O
    &O%F ޲্ ⾣
   ໨తݴޠଆͰ༧ଌ͢Δͷ͕೉͍͠୯ޠΛத৺ʹɺ
   
   
   
   
   
   
   ٖࣅσʔλΛੜ੒͢Δख๏ΛఏҊ
   
3. ٯ຋༁ʹΑΔσʔλ֦ு 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT #BDLXBSE
   NPEFM 5SBJOJOH
4. ٯ຋༁ʹΑΔσʔλ֦ு 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT #BDLXBSE
   NPEFM
5. ٯ຋༁ʹΑΔσʔλ֦ு 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT #BDLXBSE
   NPEFM 4ZOUIFUJD
   EBUB (FOFSBUJPO
6. ٯ຋༁ʹΑΔσʔλ֦ு 4ZOUIFUJD
   EBUB 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT 'PSXBSE
   NPEFM 5SBJOJOH
7. ٯ຋༁ʹΑΔσʔλ֦ு 4ZOUIFUJD
   EBUB 5FTU
   EBUB 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT 'PSXBSE
   NPEFM
8. ٯ຋༁ʹΑΔσʔλ֦ு 4ZOUIFUJD
   EBUB 5FTU
   EBUB 4PVSDF
   TJEF 5BSHFU
   TJEF 1BSBMMFM
   DPSQVT 1BSBMMFM
   DPSQVT .POPMJOHVBM
   $PSQVT 3FTVMU 'PSXBSE
   NPEFM
9. ͸͡Ίʹ ⾣
   Ұൠతʹɺʮٯ຋༁ʹΑΔσʔλ֦ு͸ɺPWFSpUUJOH΍ ྲྀெੑͷ໰୊Λܰݮ͢ΔʯͱݴΘΕ͍ͯΔ ⾣
   ϙΠϯτ͸ɺʮͲͷΑ͏ͳσʔλΛ༻͍֦ͯுΛߦ͏͔ʯ
10. ⾣
    ςετσʔλͱυϝΠϯ͕ྨࣅ͢ΔσʔλΛબ୒ͭͭ͠ ϞσϧΛֶशͤ͞Δ͜ͱͰੑೳΛվળ ؔ࿈ݚڀ ⾣
    ٯ຋༁ʹ͓͚ΔɺυϝΠϯʹج͍ͮͨσʔλબ୒͸ɺ ϥϯμϜαϯϓϦϯάͱൺ΂ͯେࠩͳ͠ WBO
    EFS
    8FFT
    FU
    BM
     1IBN
    FU
    BM
    
    
11. ⾣
    ٖࣅσʔλ௥Ճલޙʹ͓͚Δɺ༧ଌଛࣦͷมԽΛௐࠪ ٯ຋༁ͱτʔΫϯ༧ଌ 
    "UUFOUJPOCBTFE
    FODPEFSEFDPEFS
    NPEFM 
    ϥϯμϜαϯϓϦϯάʹΑΔٯ຋༁Ͱٙࣅσʔλੜ੒
12. ٯ຋༁ͱτʔΫϯ༧ଌ ٖࣅσʔλ௥ՃʹΑΔ
    ༧ଌଛࣦͷ૿ݮ ໨తݴޠଆͷ୯ޠස౓
    ର਺
13. ٯ຋༁ͱτʔΫϯ༧ଌ ٖࣅσʔλ௥ՃʹΑΔ
    ༧ଌଛࣦͷݮগ͸
    CBTFMJOF
    QSFEJDUJPO
    MPTT ͕ߴ͍୯ޠͰൃੜ͢Δ ʮ༧ଌ͕ࠔ೉ʯͳ΋ͷΛ ٙࣅσʔλʹՃ͑ͨํ͕ ޮՌతʁ
14. ༧ଌࠔ೉ͳτʔΫϯʹجͮ͘αϯϓϦϯά ⾣ʮ༧ଌ͕ࠔ೉ʯͳ΋ͷΛͲͷΑ͏ʹαϯϓϦϯά͢Δ͔ʁ 
    ස౓ͷᮢ஋ 
    ༧ଌଛࣦͷฏۉͷᮢ஋
    
    ༧ଌଛࣦͷඪ४ภࠩͷᮢ஋ 
    1SFEJDUJPO
    MPTTͷൺ཰ʹ߹ΘͤͯαϯϓϦϯά
15. ༧ଌࠔ೉ͳτʔΫϯʹجͮ͘αϯϓϦϯά
16. จ຺ʹجͮ͘αϯϓϦϯά ⾣
    ಉ͡τʔΫϯͰ΋ʮ༧ଌͷࠔ೉͞ʯ͸จ຺ʹΑͬͯҟͳΔ ⾣
    ྨࣅͨ͠จ຺Λ΋ͭ৔߹͸ɺͦͷτʔΫϯͷ༧ଌͷࠔ೉͞ ʹ͍ͭͯ΋ྨࣅ͍ͯ͠ΔͱԾఆ ⾣ʮ༧ଌͷࠔ೉͞ʯ ʮจ຺ͷྨࣅੑʯͰαϯϓϦϯά
17. จ຺ʹجͮ͘αϯϓϦϯά ⾣
    lจ຺zͷఆٛ 
    /FJHICPSJOH
    UPLFOT
    50,&/4 
    /FJHICPSJOH
    TVCXPSE
    VOJUT
    4803%4
    
    
18. จ຺ʹجͮ͘αϯϓϦϯά ⾣
    lྨࣅ౓zͷܭࢉํ๏ 
    .BUDIJOH
    UIF
    MPDBM
    DPOUFYU
    ."5$) 
    8PSE
    SFQSFTFOUBUJPOT
    &.#
    7 ɾ 
    จ຺಺ͷ֤τʔΫϯͷ୯ޠϕΫτϧͷฏۉ
19. จ຺ʹجͮ͘αϯϓϦϯά
20. ·ͱΊ ⾣
    ຋༁ͷ࣭ͷ޲্ʹޮՌతͳٯ຋༁ͷαϯϓϦϯάख๏ͱ͸ʁ ⾣
    ໨తݴޠଆͰ༧ଌ͢Δͷ͕೉͍͠୯ޠΛத৺ʹɺ
    
    
    
    
    
    
    ٖࣅσʔλΛੜ੒͢Δख๏ΛఏҊ
    ⾣
    8.5
    OFXT
    USBOTMBUJPO
    UBTLͰϥϯμϜαϯϓϦϯάͷ ٯ຋༁ʹൺ΂ɺ#-&6͕ %F&O
     &O%F ޲্
21. ࢀߟจݙ <>
    /HPD2VBO
    1IBN
    +BO
    /JFIVFT
    5IBOI-F
    )B
    &VOBI
    $IP
    .BUUIJBT
    4QFSCFS
    BOE
    "MFYBOEFS
    8BJCFM
    
    5IF
    LBSMTSVIF
    JOTUJUVUF
    PG
    UFDIOPMPHZ
    TZTUFNT
    GPS
    UIF
    OFXT
    USBOTMBUJPO
    UBTL
    JO
    XNU
    
    *O
    1SPDFFEJOHT
    PG
    UIF
    4FDPOE
    $POGFSFODF
    PO
    .BDIJOF
    5SBOTMBUJPO
    QBHFT
    r
    <>
    .BSMJFT
    WBO
    EFS
    8FFT
    "SJBOOB
    #JTB[[B
    BOE
    $ISJTUPG
    .PO[
    
    %ZOBNJD
    EBUB
    TFMFDUJPO
    GPS
    OFVSBM
    NBDIJOF
    USBOTMBUJPO
    *O
    1SPDFFEJOHT
    PG
    UIF
    
    $POGFSFODF
    PO
    &NQJSJDBM
    .FUIPET
    JO
    /BUVSBM
    -BOHVBHF
    1SPDFTTJOH
    QBHFT
    r
    $PQFOIBHFO
    %FO
    NBSL
    "TTPDJBUJPO
    GPS
    $PNQVUBUJPOBM
    -JOHVJTUJDT