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kakubari
August 24, 2017
Technology
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Integrating Case Frame into Japanese to Chinese Hierarchical Phrase-based Translation Model
長岡技術科学大学
自然言語処理研究室
学部4年 角張竜晴
kakubari
August 24, 2017
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Transcript
Ԭ ٕ ज़ Պ ֶ େ ֶ ࣗ વ ݴ ޠ ॲ ཧ ݚ ڀ ࣨ ֶ ෦ ̐ ֯ ு ཽ Integrating Case Frame into Japanese to Chinese Hierarchical Phrase-based Translation Model JinAn Xu, JiangMing Liu, YuFeng Chen, YuJie Zhang, Fang Ming and Shaotong Li Proceedings of the 1st Workshop on Semantics-Driven Statistical Machine Translation, pages 23–29, Beijing, China, July 30, 2015. ਤදจΑΓҾ༻ 1
概要 2 ˗ఏҊ ֨ϑϨʔϜ $' Ͱ֊తϑϨʔζϕʔε )1# ػց ༁γεςϜΛվળ͢Δख๏
˗݁Ռ தػց༁ʹ͓͍ͯɺ)JFSPϕʔεϥΠϯΛ্ճ Δվળ͕Ͱ͖͍ͯΔ ୯ޠͷॱং͕େ͖͘ҟͳΔ߹ʹޮՌΛൃش͢Δ
はじめに 3 ˗தػց༁λεΫͷ ̎ͭͷݴޠؒͰจߏʹେ͖ͳҧ͍ʹΑΔฒͼସ͑ ˗֊తϑϨʔζϕʔεϞσϧ $IJBOH $IJBOH
ಉظจ຺ࣗ༝จ๏ 4$'( Λ༻ͯ͋͠ΒΏΔܗࣜ ͷ༁ରΛΧόʔ͢Δڧྗͳํ๏ ݪݴޠจͷ͞ͷ੍ݶͷ੍͕͋Δɻ ฒͼସ͕͑͏·͘ಈ࡞͠ͳ͍ɻ
はじめに 4 ˗'JMMNPSF ͕֨จ๏ΛఏҊ ͦͷ֨จ๏ޮՌతͰ͋Δͱূ໌͞Ε͍ͯΔ ϧʔϧϕʔεػց༁γεςϜͰ༻͞Ε͍ͯΔ
˗,BXBIBSB ͕ຊޠͷද֨ϑϨʔϜΛఆٛ ຊޠґଘؔλεΫͰ͘ར༻͞Ε͍ͯΔ
提案手法 5 ˗தػց༁λεΫʹຊޠ$'Λಋೖ͢Δ )1#ϞσϧͰ$'ใΛ༻͠ɺ$'ใΛ)1#σ ίʔμʹద͍ͯ͠Δ4$'(ελΠϧͷϧʔϧม͠ ద༻͢Δ ˗༻͢Δใ ܇࿅σʔλ͔Β֨ϑϨʔϜͱ)JFSPTUZMFͷ4$'(Λ
ಘΔ ֨ϑϨʔϜϧʔϧ $'3 Λ4$'(ελΠϧʹม 4$'(Ͱσίʔυ͢Δࡍʹ͜ΕΒͷใΛ༻
格フレームルールの抽出 6 දղੳͰຊޠͷද֨ϑϨʔϜΛऔಘ ΞϥΠϝϯτใΛؚΉจର͔Β֨ϑϨʔϜฒͼ ସ͑ϧʔϧΛநग़
7
格フレームルールをSCFGスタイルに変換 8 ֨ϑϨʔϜΛ)JFSPελΠϧσίʔμͰ༻͢Δͨ Ίʹɺ4$'(ελΠϧʹม͢Δ
デコード 9 มܗͨ֨͠ϑϨʔϜϧʔϧͱ)1#ϧʔϧͷ྆ํɺ ैདྷͷ)JFSPσίʔμΛ༻ͯ͠ద༻Ͱ͖Δ ¡ $IJBOH ʹΑΔ)JFSPղಡʹجͮ͘
評価 10 ˗࣮ݧηοτ ୈճதࠃػց༁ϫʔΫγϣοϓ $8.5 ͷχϡʔε Λ༻͢Δ̎ͭͷσʔληοτ ¡ ܇࿅༻ɿ
¡ ύϥϝʔλ࠷దԽ༻ɿ ¡ ςετ༻ɿ ΞδΞ4DJFOUJpD1BQFS&YDFSQUίʔύε "41&$+$ ¡ ܇࿅༻ɿ ¡ ύϥϝʔλ࠷దԽ༻ɿ ¡ ςετ༻ɿ ຊޠͷจষ,/1ʹΑͬͯղੳ͢Δ
結果 11 FYQ ¡ /JV5SBT 9JBPɺ ֊ϑϨʔζϕʔεͷϞσϧΛϕʔε ϥΠϯγεςϜͱ͢Δɻ
FYQ ¡ $'3Λ4$'(ܗࣜʹม͠ɺFYQʹద༻͢Δɻ NBOVBMMZ ¡ ֨ϑϨʔϜϧʔϧΛखಈͰमਖ਼͠ɺFYQʹద༻͢Δɻ
結果 12
結果 13
結果 14
結論 15 ຊޠͷ֨ϑϨʔϜϧʔϧͰ4$'(Λ֦ு͢Δ͜ͱ Ͱɺ)JFSPܗࣜͷγεςϜΛվળ͢Δख๏ΛఏҊ தػց༁ʹ͓͍ͯɺ)JFSPϕʔεϥΠϯΛ্ճ Δେ෯ͳվળ͕Ͱ͖͍ͯΔ