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kakubari
December 14, 2017
Technology
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Neural Modeling of Multi-Predicate Interactions for Japanese Predicate Argument Structure Analysis
長岡技術科学大学
自然言語処理研究室
角張竜晴
kakubari
December 14, 2017
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Transcript
Ԭ ٕ ज़ Պ ֶ େ ֶ ࣗ વ ݴ ޠ ॲ ཧ ݚ ڀ ࣨ ֶ ෦ ̐ ֯ ு ཽ Neural Modeling of Multi-Predicate Interactions for Japanese Predicate Argument Structure Analysis Hiroki Ouchi, Hiroyuki Shindo and Yuji Matsumoto Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics, pages 1591–1600 Vancouver, Canada, July 30 - August 4, 2017 ਤදจΑΓҾ༻ 1
概要 2 ʲௐࠪɾఏҊʳ ຊޠ1"4ղੳͷͨΊͷOFVSBMTFRVFODFNPEFM ΛఏҊ ¡ จͷ୯ޠྻใ͔ΒޮՌతͳಛදݱΛࣗಈతʹ༠ಋ ʲ݁Ռʳ
/"*455FYU$PSQVTͷ࣮ݧͰɺߏจతใΛඞ ཁͱͤͣʹɺߴ͍ੑೳΛ࣮ݱ͢Δ͜ͱ͕Ͱ͖ͨ
はじめに 3 ड़ޠҾߏ 1"4 ղੳ ¡ جຊతͳҙຯੳλεΫͰ͋ΓɺจͷҙຯΛγεςϜ͕ಛఆ ͢Δ͜ͱ͕ඞཁͰ͋Δɻ
ෳͷड़ޠؒͷ૬ޓ࡞༻ͷڞಉϞσϧ͕ීٴ ¡ 0VDIJFUBM 4IJCBUBFUBM ¡ จதͷड़ޠ͕ޓ͍ʹҙຯతʹؔ࿈͍ͯ͠Δˠ1"4ղੳʹ༗༻
はじめに 4 ෳͷड़ޠͷ૬ޓ࡞༻ΛϞσϧԽ͢Δࡍͷ ¡ ઌߦݚڀͰɺࢺλάߏจղੳʹΑͬͯ༧ଌ͞ΕΔґଘ ؔͳͲͷߏจใʹେ͖͘ґଘ ¡ ύΠϓϥΠϯॲཧʹΑΔΤϥʔൖ͕ੜ͡Δ จͷจࣈྻใͷΈ͔Βड़ޠ૬ޓ࡞༻ʹහײͳಛ
Λࣗಈతʹ༠ಋ͢ΔχϡʔϥϧϞσϧΛఏҊ
日本語の述語引数構造解析 5 ɿຊޠͷจͰҾ͕লུ͞ΕΔ͜ͱ͕ଟ͍ ¡ ड़ޠͷҾΛলུ͢Δͱɺͦͷলུ͞ΕͨҾʢθϩҾʣ Λಛఆ͢Δඞཁ͕͋Δɻ ¡ ʮஉʯͱʮಀͨ͠ʯߏจతʹґଘ͠ͳ͍ ʮจશମͷจ຺ʯͱʮෳͷड़ޠͷରԠʯΛར༻͢Δ
解決策 6 4JOHMF4FRVFODF.PEFM ¡ ड़ޠͷҾީิͷγʔέϯε͔Βจ຺ґଘදݱΛ༠ಋ͢Δ .VMUJ4FRVFODF.PEFM ¡ จதͷશͯͷड़ޠͷҾީิͷෳͷγʔέϯε͔Βड़ޠʹ
හײͳදݱΛ༠ಋ͢Δ
Single-Sequence Model 7
Single-Sequence Model 8 ɹ"3(ɿ୯ޠͷΠϯσοΫε
ɹɹɹɹɹɹɹɹɹɹ ɹ13&%ɿड़෦ͱͦͷपลͷޠ ɹɹɹɹɹɹɹɹɹɹ."3,ɿड़ޠͰ͋Δ͔
Single-Sequence Model 9 3// ¡ ಛϕΫτϧ#J3//Λ༻͍ͯ෮తʹߋ৽͢Δ ग़ྗ ¡
4PGUNBYؔΛ༻ͯ͠ɺྨ͢Δ
Multi-Sequence Model 10
実験 11 σʔληοτ ¡ /"*455FYU$PSQVT ÷ 5SBJO"SUJDMFT+BO &EJUPSJBMT+BO"VH ÷
%FW"SUJDMFT+BO &EJUPSJBMT4FQU ÷ 5FTU"SUJDMFT+BO &EJUPSJBMT0DU%FD ܇࿅ ¡ ΫϩεΤϯτϩϐʔଛࣦؔΛ࠷খԽ͢Δ ÷ ВɿϞσϧύϥϝʔλͷηοτ ÷ ЕɿϋΠύʔύϥϝʔλ
実験 12 ϕʔεϥΠϯϞσϧ ¡ ϙΠϯυϫΠζΞϓϩʔν *NBNVSBFUBM ¡
ڞಉΞϓϩʔν 0VDIJFUBM ͜ΕΒͷϞσϧ/"*455FYU$PSQVTΛ༻ͨ͠ઌߦݚڀ Ͱ͋Δɻ
実験結果 13
実験結果 14