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アルゴリズムマネジメント

ITO Shogo
January 15, 2018

 アルゴリズムマネジメント

機械学習の技術選定とマネジメントについて
AWS Startup Tech Meetup #11 で発表させていただきました。

ITO Shogo

January 15, 2018
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  1. ػցֶशͷٕज़બఆͱϚωδϝϯτʹ͍ͭͯ
    https://scouty.co.jp
    ΞϧΰϦζϜϚωδϝϯτ

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  2. ɾҏ౻ উޜ (@showwin)
    ɾϦʔυΤϯδχΞ (scouty Inc.)
    ɾnot ػցֶशΤϯδχΞ
    ɾ૑ۀظ(2016/11) ~ 2017/10 ·Ͱ1ਓͰαʔϏε։ൃ
    ɾݱࡏΤϯδχΞ4ਓνʔϜ (3݄ʹ͸6ਓ)
    ɾ࠷ۙͷڵຯ: εΫϥϜ
    ࣗݾ঺հ

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  3. ͸ɺΦʔϓϯσʔλͱਓ޻஌ೳͰ

    స৬જࡏ૚Λ୳͠ग़͠·͢ɻ
    scoutyʹ͍ͭͯͷ঺հ
    ωοτ্ͷΦʔϓϯσʔλʢSNSɾϒϩάɾΠϕϯτ
    αΠτͳͲʣ͔Β৘ใΛΫϩʔϧ͠ɺݸਓʹؔ͢Δσʔ
    λΛ౷߹ʢ2018೥1݄࣌఺Ͱ91ສ݅ʣɻωοτ্ʹ৘
    ใΛެ։͍ͯ͠Δਓ͢΂͕ͯର৅Ͱɺैདྷͷస৬αʔ
    ϏεͷΑ͏ͳձһొ࿥Λඞཁͱ͠·ͤΜɻ
    ਓʑͷͭͿ΍͖ɾܦྺɾ౤ߘɾॴଐձࣾɾస৬ཤྺ
    ͳͲͷ༷ʑͳσʔλΛਓ޻஌ೳͷྗͰղੳ͠ɺݸਓ
    ͷୀ৬λΠϛϯάͱస৬Մೳੑ֬཰Λ༧ଌɻͦͷਓ
    ʹ࠷దͳاۀΛϚονϯά͠ɺεΧ΢τΛૹΓ·
    ͢ɻ
    Φʔϓϯσʔλͷར༻ ਓ޻஌ೳͷ׆༻

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  4. ࠓ೔͓࿩͍ͨ͜͠ͱ
    AIاۀͷϏδωεͷ੒ޭ͸ɺ
    ΞϧΰϦζϜͷϓϩμΫτϚωʔδϟ
    ʮΞϧΰϦζϜϚωʔδϟʯ
    ͷଘࡏʹ͔͔͍ͬͯΔͱ͍͏͜ͱɻ

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  5. ΞδΣϯμ
    1. ΞϧΰϦζϜϚωʔδϟͱ͸ʁ
    2. ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ
    3. ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄ
    • ϝτϦΫεఆٛ
    • ϚΠϧετʔϯߏஙͱεέδϡʔϦϯά
    • ࣄલϦαʔν
    • ٕज़બఆͷϑϨʔϜϫʔΫ
    4. ཧ૝ͷνʔϜͱ͸

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  6. 1. ΞϧΰϦζϜϚωʔδϟʔͱ͸ʁ

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  7. AIݚڀͱAIϏδωε͸શ͘ผ෺
    ΞϧΰϦζϜϚωʔδϟͱ͸ʁ
    ػցֶशΤϯδχΞ A
    طଘख๏ʹൺ΂ͯ 3% վળͨ͠ʂ

    ͜Ε͸େൃ໌ʂ
    ݚڀ: ɹɹ ⭕
    Ϗδωε: ❓

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  8. AIݚڀͱAIϏδωε͸શ͘ผ෺
    ػցֶशΤϯδχΞ B
    ϧʔϧϕʔεͷख๏͸μα͍οε
    ࠓͷ࣌୅ {{࠷৽ͷख๏}} ͬ͠ΐʂʂ
    ͦͷ৽نੑɺ͏ͪͷ
    Ϗδωεʹඞཁ❓
    ΞϧΰϦζϜϚωʔδϟͱ͸ʁ

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  9. AIݚڀͱAIϏδωε͸શ͘ผ෺
    ͱΓ͋͑ͣ༏लͳAIΤϯδχΞɾݚڀऀΛޏ͏͚ͩͰ͸ɺ

    AIϏδωε͸੒ޭ͠ͳ͍ʂ
    ΞϧΰϦζϜϚωʔδϟͱ͸ʁ

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  10. Ϗδωε͚ͩΘ͔ͬͯͯ΋ྑ͍Θ͚Ͱ͸ͳ͍
    CEO

    (ඇٕज़ऀ)
    σΟʔϓϥʔχϯά࢖ͬͯ

    ͳΜ͔͠Α͏ͥ
    ΞϧΰϦζϜϚωʔδϟͱ͸ʁ

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  11. Ϗδωε͚ͩΘ͔ͬͯͯ΋ྑ͍Θ͚Ͱ͸ͳ͍
    ϏδωεʢCEOʣͱٕज़ʢػցֶशΤϯδχΞʣ

    ͷؒʹཱͭਓ͕ඞཁʂ
    ΞϧΰϦζϜϚωʔδϟͱ͸ʁ
    ΞϧΰϦζϜϚωʔδϟʔ

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  12. 2. ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ

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  13. Ϗδωεײ֮ͱAI෼໺ͷ஌͕ࣝඞཁ
    ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ
    • ܦӦ΍ࣄۀʹؔ͢ΔKPI΁ͷཧղ
    • ΫϥΠΞϯτɾϢʔβͱͷର࿩ೳྗ
    • ֤ख๏ʹؔͯ͠ͷ޿͘ઙ͍஌ࣝ
    • ࣮૷͢ΔΤϯδχΞͷϚωδϝϯτೳྗ
    Ϗδωε
    "*෼໺

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  14. ΞϧΰϦζϜϚωʔδϟ͸ɺ
    ΞϧΰϦζϜͷϓϩμΫτϚωʔδϟɻ
    ΞϧΰϦζϜϚωʔδϟ
    ͦͷΞϧΰϦζϜɺ

    ސ٬(ࢢ৔)͸ඞཁͱ͍ͯ͠Δͷʁ
    ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ
    ΞϧΰϦζϜͷਫ਼౓
    ސ
    ٬
    ͷ



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  15. ΞϧΰϦζϜͷਫ਼౓͕1ˋ্͕Δͱɺ

    ϏδωεKGI͕Ͳͷ͘Β͍৳ͼΔͷ͔ʁ
    ച্
    ΞϧΰϦζϜͷਫ਼౓ ϏδωεKPI ϏδωεKGI
    ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ

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  16. ͷస৬Մೳੑͷྫ
    ϢʔβʔϓϩϑΝΠϧ
    ௿

    స৬ݕ౼

    ͠ͳ͍
    த

    ৔߹ʹΑΓ
    స৬
    ߴ

    స৬ͦ͠͏
    స৬Մೳੑ
    ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ

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  17. ΞϧΰϦζϜͷਫ਼౓͕1ˋ্͕Δͱɺ

    ϏδωεKGI͕Ͳͷ͘Β͍৳ͼΔͷ͔ʁ
    ച্
    ܧଓ཰
    ୯Ձ
    1εΧ΢τ

    ͋ͨΓͷCVR
    ީิऀͷ

    స৬֬౓
    ީิऀͷ

    Ϛον౓
    స৬Մೳੑ
    ༧ଌͷਫ਼౓
    Ϛονϯά

    ͷਫ਼౓
    UIͷ࢖͍΍͢͞
    ӡ༻޻਺
    ͷྫ - స৬Մೳੑ༧ଌΞϧΰϦζϜ
    ΞϧΰϦζϜϚωʔδϟʹඞཁͳೳྗ
    ͜ͷϚοϓΛਖ਼֬ʹอͭͨΊʹސ٬ͱͷର࿩͕ඞཁ

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  18. 3. ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄ

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  19. ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄ
    ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄ
    • ࢢ৔ͷχʔζ೺Ѳ
    • ϝτϦΫε (ਫ਼౓ࢦඪ)ఆٛ
    • ϚΠϧετʔϯߏஙͱεέδϡʔϦϯά
    • ࣄલϦαʔν
    • ٕज़બఆ

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  20. ϝτϦΫε ≒ ਫ਼౓ࢦඪ
    ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄϝτϦΫεఆٛ
    స৬Մೳੑ
    ༧ଌͷਫ਼౓
    Ұݴʹਫ਼౓ͱݴͬͯ΋ɺ͍Ζ͍Ζ͋Δɻ
    ೥୯Ґͷ༧ଌͷ

    ద߹཰
    ೥୯Ґͷ༧ଌͷ

    ࠶ݱ཰
    ༧ଌ͕Մೳͳਓ

    ͷਓ਺
    ࣮ࡍʹϢʔβʔ͕໘ஊͯ͠ɺ

    స৬͠Α͏ͱ͍ͯͨ͠ਓͷׂ߹
    ݄୯Ґͷฏۉޡࠩ

    ͦͷ਺஋্͕͕ΔͱɺඞͣKGI্͕͕Γɺ

    ͔ͭଌఆ͠΍͍͢΋ͷΛϝτϦΫεʹ͢Δ

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  21. ׬ᘳͳversion1͸ແ͍ɻ

    Ͳ͏͍͏εέδϡʔϧͰΞοϓσʔτ͢Δ͔͕େࣄ
    ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄϚΠϧετʔϯߏஙͱεέδϡʔϦϯά
    ~ 2017/09
    v1.0 ϦϦʔε
    ϦϦʔε৚݅ɿ
    ᶃ໾৬Λ࢖༻ͨ͠༧ଌՄೳ
    ᶄ೥୯Ґͷద߹཰͕վળ
    ࣄલௐࠪͱٕज़બఆ
    ࣮૷ํ਑ΛཱͯΔɻ
    ୀ৬೥਺෼෍ͷࣄલ෼
    ෍ΛٻΊΔɻ
    v1.1 ϦϦʔε
    ϦϦʔε৚݅ɿ
    ᶃSNS౤ߘΛ࢖༻ͨ͠༧ଌ
    Մೳ

    ᶄ༧ଌͰ͖Δਓ਺͕N%૿Ճ
    ~ 2017/11
    ~ 2017/10
    ͷྫ - స৬Մೳੑ༧ଌΞϧΰϦζϜ

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  22. ޙ޻ఔΛ਺ഒָʹ͢ΔࣄલϦαʔν
    ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄࣄલϦαʔν
    ࣄલϦαʔνͰ΍Δ͜ͱ
    • σʔλͷ෼෍ͷ࢓ํͳͲΛௐ΂Δ
    • ໨తؔ਺ͱͷ૬ؔੑͷߴ͍ಛ௃ͷ໨੕Λ͚ͭΔ
    • ͍࣋ͬͯΔσʔλͰ΄͍݁͠ՌΛग़͢ͷ͸Մೳͳͷ͔ʁΛௐ΂Δ
    • ީิٕज़Λௐࠪ͠ɺ࢖͑ͦ͏ͳϥΠϒϥϦ΍Ϋϥ΢υαʔϏεΛચ
    ͍ग़͢

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  23. Ϧαʔν݁ՌΛ΋ͱʹٕज़બఆ
    ΞϧΰϦζϜϚωʔδϟͷ࢓ࣄٕज़બఆ
    • ౷ܭతख๏
    • DeepLearningɹ
    • SVMɹɹ
    • ੜଘ࣌ؒ෼ੳ
    • ෳ਺ख๏ͷϋΠϒϦοτ
    ͷྫ - స৬Մೳੑ༧ଌΞϧΰϦζϜ
    Ϧαʔν͢Δʹ͋ͨͬͯग़ͨީิٕज़

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  24. 4. ཧ૝ͷνʔϜͱ͸

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  25. ޿͘ઙ͍AMͷԼʹɺઐ໳෦ୂ͕͍Δߏਤ
    ཧ૝ͷνʔϜͱ͸
    ػցֶशΤϯδχΞ A ػցֶशΤϯδχΞ B
    ʮ౷ܭ͕ڧ͍ʯ ʮNLP͕ڧ͍ʯ
    ػցֶशΤϯδχΞ C
    ʮਂ૚ֶश͕ڧ͍ʯ
    ΞϧΰϦζϜ B
    ΞϧΰϦζϜ A
    ΞϧΰϦζϜϚωʔδϟA

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  26. ޿͘ઙ͍AMͷԼʹɺઐ໳෦ୂ͕͍Δߏਤ
    Web։ൃνʔϜ
    ػցֶशνʔϜ
    CTO
    ཧ૝ͷνʔϜͱ͸
    PM
    AM

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