クックパッドと自然言語処理/cookpad-and-nlp

by j.harashima

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ΫοΫύουͱࣗવݴޠॲཧ ΫοΫύουגࣜձࣾݪౡ७

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೥݄ ೥݄ ژ౎େֶݴޠϝσΟΞݚڀࣨ഑ଐ ΫοΫύουೖࣾ ݪౡ७ ೥݄ ৽ઃͷݚڀ։ൃ෦໳ʹҟಈ ത࢜ʢ৘ใֶʣऔಘ ೥݄ ࣗવݴޠॲཧͷݚڀ ɾಉٛදݱͷ֫ಘʢ*+$/-1ʣ ɾݕࡧ݁Ռͷཁ໿ʢ/-1*9ʣ ɾݕࡧ݁ՌͷϦϥϯΩϯάʢ*+$/-1ʣ ɾ೔ຊޠจͷѹॖʢ$0-*/(ʣ αʔϏε։ൃ෦໳ ࣗવݴޠॲཧͱը૾ೝࣝͷݚڀɾ։ൃ ɾϨγϐίʔύεͷߏஙʢ-3&$ʣ ɾϨγϐͷ຋༁ʢ8"5ʣ

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ΫοΫύου Πϯλʔωοτ্ͰϨγϐͷ౤ߘɾݕࡧ౳͕Ͱ͖Δ ೔ຊ࠷େͷྉཧϨγϐαʔϏε

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ɾλΠτϧ ɾ֓ཁ ɾࡐྉ ɾखॱ ɾίπɾϙΠϯτ ɾ͜ͷϨγϐͷੜཱ͍ͪ ɾͭ͘ΕΆ ɾ ౤ߘϨγϐ

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ݕࡧ݁Ռ ৽ணॱ ਓؾॱ

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݄࣍ར༻ऀ਺ ݄࣍ར༻ऀ਺ʢւ֎ʣ ೔࣍ར༻ऀ਺ ໿ ສਓ ໿ສਓ Ϩγϐ਺ ໿ສ඼ ໿ ສਓ

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ΫοΫύουͱࣗવݴޠॲཧ

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Ͳ͜Ͱʁ ɾϨγϐͷղੳ ɾಉٛදݱͷೝࣝ ɾϨγϐͷ෼ྨ ɾϨγϐͷ຋༁ ɾͦͷଞ

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Ϩγϐͷղੳ ϨγϐΛΠϯσΩγϯά͢ΔͨΊɺϨγϐதͷ֤ςΩετΛղੳ ಲͷʹΜʹ͘ে༉ম͖ ͷ ʹΜʹ͘ ে༉ ໊ࢺ ໊ࢺ ॿࢺ ໊ࢺ c c c c ಲ ম͖ ಈࢺ ܗଶૉղੳ

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ܗଶૉղੳ༻ࣙॻͷ֦ு FDIPΑͩΕܲcNFDBC0XBLBUJ ΑͩΕܲ FDIPΑͩΕܲcNFDBC0XBLBUJVDPPLQBEEJD ΑͩΕܲ ʢ˞ਓखʣ

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Ͳ͜Ͱʁ ɾϨγϐͷղੳ ɾಉٛදݱͷೝࣝ ɾϨγϐͷ෼ྨ ɾϨγϐͷ຋༁ ɾͦͷଞ

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ಉٛදݱͷೝࣝ ΠϯσΩγϯάͷࡍʹಉٛදݱΛٵऩ

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ಉٛදݱೝࣝ༻ࣙॻͷߏஙʢ˞ਓखʣ

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Ͳ͜Ͱʁ ɾϨγϐͷղੳ ɾಉٛදݱͷೝࣝ ɾϨγϐͷ෼ྨ ɾϨγϐͷ຋༁ ɾͦͷଞ

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Ϩγϐͷ෼ྨ Ϣʔβ͕ϒοΫϚʔΫͨ͠ϨγϐΛ47.Ͱ෼ྨ ྫ͑͹ɺʮ͓՛ࢠʯΛ ΫϦοΫ͢Δͱʜ

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෼ྨثͷ࣮૷ DMBTTJpFS3FDJQF$MBTTpFSOFX lNFBUz "$$&15"#-&@13&$*4*0/ DMBTTJpFSUSBJO QPTJUJWF@SFDJQFT OFHBUJWF@SFDJQFT DMBTT3FDJQF$MBTTJpFS EFGUSBJO QPTJUJWF@SFDJQFT OFHBUJWF@SFDJQFT ʜ "$$&15"#-&@13&$*4*0/Λຬͨͤ͹TBWF NPEFMTBWF QBUI JGBDDFQUBCMF NPEFM FOE FOE ϢʔβͷਪનϨγϐΛ ਖ਼ղσʔλͱͯ͠ར༻

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Ͳ͜Ͱʁ ɾϨγϐͷղੳ ɾಉٛදݱͷೝࣝ ɾϨγϐͷ෼ྨ ɾϨγϐͷ຋༁ ɾͦͷଞ

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೔ຊޠͷϨγϐΛχϡʔϥϧ.5Ͱӳޠʹ຋༁ ݚ ڀ ஈ ֊ Ϩγϐͷ຋༁ ػց຋༁

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"UUFOUJPO.PEFM #BIEBOBVFUBM ֶशσʔλ ɾ Ϩγϐͷର༁ ࣮૷ ɾ1ZUIPOX$IBJOFS ຋༁ྫ ɾ֖·ͨ͸ΞϧϛϗΠϧͰམͱ֖͠Λͯ͠தՐͰৠ͠ম͖ʹ ɹ͠·͢ɻ ɹɹɹɹɹɹɹɹɹɹɹɹɹˣ ɹDPWFSXJUIBMJEPSBMVNJOVNGPJM BOETUFBNUIF ɹDIJDLFOPONFEJVNIFBU

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Ͳ͜Ͱʁ ɾϨγϐͷղੳ ɾಉٛදݱͷೝࣝ ɾϨγϐͷ෼ྨ ɾϨγϐͷ຋༁ ɾͦͷଞ

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ສ඼ͷϨγϐͱͦΕΒ͔ΒͳΔݙཱʹؔ͢Δσʔλ ɾλΠτϧ ɾ֓ཁ ɾखॱ ɾͭ͘ΕΆ ɾΧςΰϦ ɾʜ Ϩγϐίʔύεͷެ։

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ݚڀͷ޿͕Γ ެ։લʢʙ೥݄ʣ େֶݚڀࣨ ެ։ޙʢ೥݄ʣ େֶݚڀࣨ

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ࠓޙͷ՝୊

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ࠓޙͷ՝୊ ɾܗଶૉղੳͷਫ਼౓޲্ ɹɾݱঢ়͕Ͳͷఔ౓ͷਫ਼౓ͳͷ͔͕ʢ͋·Γʣ෼͔͍ͬͯͳ͍ ɹɾςετηοτΛͪΌΜͱߏஙͯ͠ɺண࣮ʹਫ਼౓Λ޲্͍ͤͨ͞ ɾಉٛදݱͷࣗಈ֫ಘ ɹɾڈ೥͔Βւ֎ల։ΛՃ଎ˠࠃ͝ͱʹࣙॻΛߏங͢Δͷ͸ͩΔ͍ʜ ɹɾΫΤϦ΍Ϩγϐ͔ΒಉٛදݱΛࣗಈͰ֫ಘ͍ͨ͠ ɾϨγϐͷཁ໿ ɹɾʮجຊతͳϨγϐʢ͓͓·͔ͳϨγϐʣ͕஌Γ͍ͨʯͱ͍͏ཁ๬͕ଟ͍ ɹɾෳ਺ͷϨγϐΛཁ໿͢Δ͜ͱͰɺجຊతͳϨγϐΛ࡞੒͍ͨ͠ ɾର࿩ʹΑΔݕࡧʁ ɹɾ΋͏ͦ͏͍͏࣌୅ʁʢؾͷ͍ͤʁʣ

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8F`SFIJSJOH ɾϦαʔναΠϯςΟετʢओʹݚڀ୲౰ʣ ɹɾαʔϏεʹಋೖ͞ΕΔػցֶशͷϩδοΫ෦෼ͷ࣮૷ ɹɾ*P5΍.3ʹ΋ͱͮ͘৽͍͠αʔϏεͷاը ɹɾ࠷৽ͷٕज़ͷΠϯϓοτͱΞ΢τϓοτ ɾϦαʔνΤϯδχΞʢओʹ։ൃ୲౰ʣ ɹɾݚڀ։ൃج൫Λޮ཰Խ͢ΔͨΊͷ։ൃج൫ͷઃܭͱߏங ɹɾػցֶशΛར༻ͨ͠εέʔϥϒϧͳαʔϏεͷ։ൃͱӡ༻ ɹɾ"OESPJEJ04ʹ͓͚ΔϓϩτλΠϐϯά ͝ڵຯ͋ΔํͷΤϯτϦʔΛ͓଴͍ͪͯ͠·͢ IUUQTSFDSVJUDPPLQBEDPN