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จݙ঺հʢʣ Improving Machine Translation Quality Estimation with Neural Networks Features Zhiming Chen, Yiming Tan, Chenlin Zhang, Qingyu Xiang, Lilin Zhang. WMT17, pages 551-555 ௕Ԭٕज़Պֶେֶɹࣗવݴޠॲཧݚڀࣨɹ૬ాɹଠҰ

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"CTUSBDU w 'FBUVSFFYUSBDUJPO w 2VBMJUZ&TUJNBUJPOʹ͓͍ͯॏཁͳ໾ׂΛՌͨ͢ w /FVSBM/FUXPSLͷಛ௃ྔΛ2VBMJUZ&TUJNBUJPOʹ༻͍Δ w &NCFEEJOH w $SPTT&OUSPQZ w 8.5ͷ2VBMJUZ&TUJNBUJPOͰਓखධՁͱͷ૬ؔΛ޲্ !2

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/FVSBM/FUXPSLGFBUVSFT w &NCFEEJOHGFBUVSFT w ೖྗจग़ྗจͷதʹ͓͚Δ֤୯ޠͷຒΊࠐΈදݱΛநग़ w ฏۉΛऔΓɺจͷຒΊࠐΈදݱͱ͢Δ w ೖྗจɺग़ྗจͷຒΊࠐΈදݱΛDPODBUͯ͠ɺಛ௃ྔΛಘΔ !3

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/FVSBM/FUXPSLGFBUVSFT w $SPTT&OUSPQZGFBUVSFT w &NCFEEJOHGFBUVSFͰ͸จ຺ͷؔ܎͕ߟྀ͞Εͳ͍ w ࿈ଓੑɺهԱੑΛ࣋ͭ3//-.͔Β$SPTT&OUSPQZΛநग़ !4

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&YQFSJNFOU w ݴޠϖΞɿ&OHMJTI(FSNBO w 8PSEFNCFEEJOH 3//-.ͷUSBJO w &VSPQBSMW $PNNPO$SBXMDPSQVT 
 BOE/FXT$PNNFOUBSZW W ର༁ͷϖΞ਺ 5SBJO %FW 5FTU &O%F %F&O !5

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&YQFSJNFOU w ಛ௃ྔΛબ୒ʢ૊Έ߹Θͤ΋ߟྀʣ w #BTFMJOF จͷ௕͞ɾ਺ɺ-.ͷ֬཰ͳͲछྨ w 8PSE7FD&NCFEEJOH w 3//-.$SPTT&OUSPQZ w நग़ͨ͠ಛ௃ྔΛ4VQQPSU7FDUPS3FHSFTTJPOʹ༻͍Δ w 2&Λߦ͍ɺਓखධՁͨ͠ςετηοτ)5&3ͱͷ%FMUB"WH ૬ؔ Ѝ Л 
 ."& .FBO"WFSBHF&SSPS 3.4& 3PPU.FBO4RVBSF&SSPS Λௐ΂Δ !6

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3FTVMU ߴ͍΄Ͳ˕ ௿͍΄Ͳ˕ !7

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3FTVMU 8PSEWFD୯ମͰ #BTFMJOFΛ্ճͬͨ !8

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3FTVMU 8PSEWFDΛج४ʹ͢Δͱ #BTFMJOFΛՃ͑ΔΑΓɺ 3//-.ΛՃ͑ͨํ͕ྑ͘ͳͬͨ !9

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3FTVMU 8PSEWFD3//-.ʹ #BTFMJOFΛՃ͑Δͱɺ είΞ͕͞Βʹྑ͘ͳͬͨ !10

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$PODMVTJPO w /FVSBM/FUXPSLͷಛ௃ྔΛ2VBMJUZ&TUJNBUJPOʹద༻ w 8PSEWFD&NCFEEJOHGFBUVSFT w 3//-.$SPTT&OUSPQZGFBUVSFT w ࣮ݧͰ֤ಛ௃ྔͷ༗༻ੑΛ֬ೝ w /FVSBM/FUXPSLͷಛ௃ྔͰ͋ΔͨΊɺݴޠʹґଘ͠ͳ͍ͷ͕ڧΈ !11