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第5回ソーイAI勉強会:自然言語処理 Part2
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sewii
July 10, 2025
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第5回ソーイAI勉強会:自然言語処理 Part2
sewii
July 10, 2025
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Transcript
ୈճɿࣗવݴޠॲཧ1BSU
લճͷ෮श
ਓ͕ؒจষΛཧղ͢Δ࣌ɺແҙࣝʹจઅ୯ޠʹղ͢Δ ίϯϐϡʔλ͕จΛѻ͏߹ ·ͣѻ͑Δ෦ͷղ͔Β࢝ΊΔ
ݱࡏαϒϫʔυʢจࣈͱ୯ޠͷதؒͷ୯ҐʣͰׂ͍ͯ͠Δ JOUFSOBUJPOBM *OUFSOʜ JOUFSOBUJPOBM JOUFSOBUJPOBM จࣈ ୯ޠ αϒϫʔυ
จࣈ ୯ޠ αϒϫʔυ τʔΫϯɿׂ୯Ґͷ͜ͱ ˞τʔΫφΠβʔɿτʔΫϯʹׂ͢Δπʔϧ
୯ޠʹΑΔׂͷ ҙຯͷґଘ େͳޠኮ ະޠͷରԠ
୯ޠʹΑΔׂͷ ҙຯͷґଘ େͳޠኮ ະޠͷରԠ αϒϫʔυͰͯ͢ղܾʂʂ
αϒϫʔυʹׂ͢Δํ๏
τʔΫφΠβʔͷׂɿ ͲͷΑ͏ͳαϒϫʔυׂ͕͍͍ͷ͔ΛςΩετ͔Βܾఆ τʔΫφΠβʔͰͷֶशɿ ेͳྔͷςΩετσʔλ͔ΒτʔΫϯΛऔΓग़͠ɺޠኮʹՃ͍ͯ͘͠ #ZUF1BJS&ODPEJOH #1& ΞϧΰϦζϜʹ͍ͭͯղઆ͍ͯ͘͠
ᶃશͯͷจࣈΛޠኮʹՃ ᶄසग़͢ΔจࣈͷΛ݁߹ͯ͠ޠኮʹՃ ᶅޠኮͷ͕نఆʹୡ͢Δ·Ͱ܁Γฦ͢ ਓ ೳ ͱ ਓ
ؒ ͷ ೳ Λ ਓೳͱਓؒͷೳΛ ਓೳɹͱɹਓؒɹͷɹೳΛ ޠኮϦετ
τʔΫφΠβʔͷֶश࠷ॳʹ༩͑Δ࠷େޠኮͰ੍ޚ͢Δ ֶशʹͬͨޠኮ
τʔΫφΠβʔͷֶश࠷ॳʹ༩͑Δ࠷େޠኮͰ੍ޚ͢Δ αϒϫʔυͷޠኮ ޠኮΛ૿͢ͱτʔΫϯ͕ݮΔ
ޠኮΛ૿ͤʢొ͢Δαϒϫʔυͷ͕ଟ͘ͳΕʣςΩετΛද͢ τʔΫϯ͕গͳ͘ͳΓɺ͏·͘ใΛѻ͑ΔͷͰͳ͍͔ʁ
ֶशճ͕গͳ͍ͱਫ਼ʹӨڹ
ͳͥେنσʔλ͕ඞཁͳͷ͔ʁ ͍ޠኮͰֶशσʔλதʹ ेͳճొ͢ΔΑ͏ʹ͢ΔͨΊ
8PSE7FDʹ͍ͭͯ
୯ޠΛϕΫτϧʹม͢Δͷ ˠ୯ޠͷҙຯΛԽ XPSE7FDͱʁ ҙຯ͕ࣅ͍ͯΔʂʂ
XPSEWFDʹΑΔ୯ޠͷྨࣅੑΛՄࢹԽ
ͲͷΑ͏ʹ୯ޠͷҙຯΛ֫ಘ͍ͯ͠Δͷ͔ʁ
Ծઆɿ͍ۙҙຯͷ୯ޠಉ͡Α͏ͳݴ༿ͱҰॹʹΘΕΔ ɾே৯ʹߚΛΜͰҿΉ ɾே৯ʹίʔώʔΛΜͰҿΉ
˞ৗʹಉ͡ΘΕํΛ͢ΔΘ͚Ͱͳ͍
ࣅ͍ͯΔจ຺ͰΘΕΔճ͕ଟ͍୯ޠ ͍ۙϕΫτϧʹͳΔΑ͏ʹֶश ҙຯΛϕΫτϧͰදݱ͢Δ͜ͱʹޭ
8PSEWFDͷݶք
X XPSEWFDʹΑΔ୯ޠϕΫτϧ̍୯ޠʹ͖ͭ̍ͭͷΈ ͦͷ୯ޠ͕࣋ͭฏۉతͳҙຯΛද͍ͯ͠Δʹա͗ͳ͍ ͳ͍͚ͥͳ͍ͷ͔ʁ
X XPSEWFDͰҎԼͷಛΛଊ͖͑Εͳ͍ ҙຯͷଟ༷ੑ จ๏తͳׂ
X ҙຯͷଟ༷ੑ CBOL ۜߦ ख
X ҙຯͷଟ༷ੑ CBOL ۜߦ ख ୯ޠϕΫτϧΑΓ͍͚͕Ͱ͖ͳ͍
จ๏తͳׂ Ֆ͕࡙͘ ՖʹਫΛΔ
จ๏తͳׂ Ֆ͕࡙͘ ՖʹਫΛΔ ओޠ తޠ
จ๏తͳׂ Ֆ͕࡙͘ ՖʹਫΛΔ ओޠ తޠ จ๏తͳχϡΞϯε͕ഉআ͞Εͯ͠·͏
ຒΊࠐΈϕΫτϧͱʁ
X ͦͦͳͥXPSEWFD͕ҎԼͷಛΛଊ͖͑Εͳ͍ͷ͔ʁ ҙຯͷଟ༷ੑ จ๏తͳׂ
ͦΕXPSEWFDʹΑͬͯੜ͞ΕΔϕΫτϧ ฏۉతͳҙຯΛද͢ʮ੩తʯͳϕΫτϧ͔ͩΒ
ʮಈతʯͳχϡΞϯεΛؚΉΑ͏ʹͳͬͨͷ͕ ຒΊࠐΈϕΫτϧʂʂ
ຒΊࠐΈϕΫτϧΛͬͨॲཧͷྲྀΕʢ̐ͭʣ
ೖΧςΩετΛτʔΫϯʹׂ͠ɺ τʔΫϯ͝ͱʹݻ༗ͷτʔΫϯM%ΛৼΔ τʔΫϯ*%ʹରԠ͢ΔϕΫτϧΛ χϡʔϥϧωοτϫʔΫʹೖྗͯ͠ ֶशɾਪ ˞࣮ࡍ͜ͷτʔΫϯ*%ʹΑׂͬͯΓͯΒΕͨ੩తͳϕΫτϧΛຒΊ ࠐΈϕΫτϧͱݺͿ͜ͱ͕ଟ͍
5SBOTGPSNFSͰจ຺ʹΑΓຒΊࠐΈϕ ΫτϧΛಈతʹมԽͤ͞Δ ࠷ऴతͳग़ྗ ˞5SBOTGPSNFSɺʹൃද͞ΕͨਂֶशϞσϧͰɺݱࡏͷଟ͘ͷࣗવݴޠॲཧ"*ʢ$IBU(15ͳͲʣͷجૅ ˞ୈճ͋ͨΓͰΖ͏ͱࢥ͍ͬͯΔͷͰ͜͜Ͱઆ໌Λল͖·͢ 5SBOTGPSNFSͷҙʢΞςϯγϣϯʣػߏʹ͍ͭͯͷάϥϑ ʮจ຺Խ͞ΕͨຒΊࠐΈϕΫτϧ $POUFYUVBMJ[FE &NCFEEJOH ʯͱݺͿ͜ͱ͋Γ·͢
X ຒΊࠐΈϕΫτϧ͍֓೦ͰݺΕΔ͕ɺͦͷதʹ ಈతͱ͍͏χϡΞϯεؚ͕·Ε͍ͯΔ ޮతʹจ຺Λଊ͑ɺࣗવͳݴޠΛੜͰ͖ΔΑ͏ʹͳͬͨ
X ·ͱΊ τʔΫφΠβʔʹΑΓจষΛαϒϫʔυʹׂ͢Δ ొ͢ΔαϒϫʔυΛଟͯ͘͠ɺϞσϧͷਫ਼Λ্͛Δʹେنσʔλ͕ඞཁ XPSEWFDʹΑΓ୯ޠΛͰද͢͜ͱͰίϯϐϡʔλʹ୯ޠͷҙຯΛѲ ͤ͞Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳͬͨ XPSEWFDͷ୯ޠϕΫτϧจষதͰมԽ͠ͳ͍ͨΊɺҟͳΔจ຺ͰมԽ͢Δ ຒΊࠐΈϕΫτϧ͕ݱࡏͰΘΕ͍ͯΔ
࣍ճͷ༧ఆ
େنݴޠϞσϧ