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Improving Chinese Semantic Role Labeling using High-quality Surface and Deep Case Frames

Improving Chinese Semantic Role Labeling using High-quality Surface and Deep Case Frames

長岡技術科学大学
自然言語処理研究室
角張 竜晴

kakubari

July 11, 2017
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     ௕ Ԭ ٕ ज़ Պ ֶ େ ֶ  ࣗ વ ݴ ޠ ॲ ཧ ݚ ڀ ࣨ  ֶ ෦ ̐ ೥  ֯ ு ཽ ੖  Improving Chinese Semantic Role Labeling using High-quality Surface and Deep Case Frames Gongye Jin, Daisuke Kawahara and Sadao Kurohashi Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 1, Long Papers, pages 568–577, Valencia, Spain, April 3-7, 2017. ਤ΍ද͸࿦จΑΓҾ༻ 1
  2. 提案手法 5 େن໛ͳੜσʔλ͔Βࣗಈ֫ಘͨ͠ߴ඼࣭ͷ஌ࣝͰɺதࠃ ޠͷ43-Λվળ͢Δɻ  ̎ͭͷ௥Ճ஌ࣝΛར༻͢Δɻ —  ࣗಈߏจ෼ੳʢґଘղੳʣΛ࢖༻ͯ͠ूΊΒΕͨɹɹɹ ද૚֨ϑϨʔϜ — 

    ද૚֨ϑϨʔϜͷܽ఺Λิ͏ͨΊʹɺҙຯ໾ׂΛ࢖༻͠ ͯूΊΒΕͨਂ૚֨ϑϨʔϜ  ද૚֨ϑϨʔϜɿҙຯϨϕϧͰදݱతͰ͸ͳ͍ ਂ૚֨ϑϨʔϜɿߏจ৘ใʴҙຯ৘ใ
  3. 高品質の依存関係の選択 8 ґଘؔ܎ղੳͷੑೳ ὎ಘΒΕΔ஌ࣝͷ඼࣭ʹӨڹ  ¡  ґଘؔ܎ͷղੳΤϥʔΛݮΒ͢ ¡  ߴ඼࣭ͷґଘؔ܎Λબ୒͢Δ 

    —  ैଐϥϕϧ෇͖ίʔύεΛࣗಈґଘղੳʹద༻ ὎+JOΒ   —  ߴ඼࣭ͳґଘؔ܎ͷࣝผʢ̎஋෼ྨʣͷجຊతಛ௃ ὎:VΒ  
  4. 高品質な表層格フレーム構造 9 ґଘؔ܎Λར༻ͯ͠ड़ޠҾ਺ߏ଄ʢ1"4ʣΛநग़       

    1"4ΛΫϥελϦϯά͢Δ͜ͱͰɺ ޠٛᐆດੑʢ84%ʣͷղফΛղܾ͢Δɻ ὎$31๏ʢ,BXBIBSBFUBM ʣΛద༻
  5. 実験 13 ˗࣮ݧઃఆ $IJOFTF(JHBXPSE -%$5 ສจ େن໛ͳ஌ࣝ֫ಘ͢ΔͨΊͷσʔλ $IJOFTF5SFFCBOL ґଘؔ܎ղੳثͷτϨʔχϯάσʔλ $P/--Ͱఏڙ͞ΕͨެࣜεΫϦϓτ

    ධՁʹ࢖༻  ϕʔεϥΠϯख๏ —  ड़ޠᐆດੑղফɾҾ਺ࣝผɾҾ਺෼ྨΛଟΫϥε෼ ྨ໰୊ͱͯ͠औΓ૊Έɺ௥Ճ஌ࣝΛ࢖༻͠ͳ͍ɻ