俺のNETFLIX season1 - Speaker Deck

俺のNETFLIX season1

by h-fkn

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2020 ? 1-1 : 96% ! : 0

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2020-04-23 Thu #Vol.3 @hidefkn

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@hidefkn @AIPM AI 2

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2020-04-23 Thu #Vol.3 @hidefkn

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NETFLIX 4 1 # ML

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season1 5 Google Recommendations AI Google AutoML Tables

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Vol.3 2020-04-23 Thu NETFLIX

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NETFLIX ! 7

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! 8

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NETFLIX NETFLIX 9 • Ͳ͏΍࣮ͬͯ૷͍ͯ͠Δͷ͔ʁ • ͲΜͳσʔλ෼ੳΛ͍ͯ͠Δͷ͔ʁ • Զ΋΍ͬͯΈΑ͏ʔͬͱʂ

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Vol.3 2020-04-23 Thu

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1,200 1955 2019 11 1,278 616

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1 1.4 Film Exhibition Yearbook 2018 12

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Film Exhibition Yearbook 2018 13 1,200 1.4 1 3.3 1 2 6 ! ! ! ! ! !

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Vol.3 2020-04-23 Thu

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15 ! よよ GW 5 ! よよ !よよ NETFLIX

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Vol.3 2020-04-23 Thu NETFLIX

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NETFLIX 18 εϥμϯݟͯ ΍Δؾग़ͯͨ͠

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NETFLIX 19 ϫΠͷࢹௌཤྺ

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NETFLIX MovieLens 20 • MovieLens GroupLens • NETFLIX https://movielens.org/

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2018 9 9 1MB 21 ml-latest-small.zip ratings.csv movies.csv tags.csv links.csv • 600 • 9,000 • • • 100,000 ;ʙΜʢʁʣ

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2018 9 9 1MB 22 ml-latest-small.zip ratings.csv movies.csv tags.csv links.csv • 2 • • 1 ! ! ΏΔ͘΍Γ͍ͨ

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ratings.csv 23 • userId • timestamp • movieId • rating

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movieId movies.csv 24

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userId 4 movies.csv 25 ͦΖͦΖ࣌ؒ΋͋ΕͳͷͰɺ ૣ͍ͱ͜ΖɺΫϥ΢υ.-ʹ௅Έ͍ͨ

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Vol.3 2020-04-23 Thu Google RecommendationsAI

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Google Recommendations AI 27 Recommendations AI ML ML

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Google Recommendations AI 28

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Recommendations AI ! 30 Recommendation AI Prediction API Show recommendations at customer touchpoints 1 INGET YOUR DATA データを取り込む 2 CUSTOMIZE YOUR RECOMMENDATIONS 推薦システムをカスタムする 3 DELIVER RECOMMENDATIONS ANYWHERE IN THE CUSTOMER JOURNY 推薦システムをユーザー導線に提供する

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31 ! ( )

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32 Google Cloud A/B

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Google Cloud 33 ⥯ך (PPHMF$MPVEفٗآؙؑز׾إحز،حفׅ׷

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Google Cloud 34

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Google Cloud 35 ঎ۀΞΧ΢ϯτ͕ͳ͍ͱ ༡ΜͰΈΔͷ͕೉ͦ͠͏ શવΏΔ͘ͳ͍ɻ ΨνײΛײ͡Δɻ

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Google 36

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Vol.3 2020-04-23 Thu Excel AutoML Tables

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38 Good 1, Bad 0 A A A A E A 1 1 0 1 1 1 (100%) B 1 1 0 1 0 0.61 61.24%) C 0 0 1 0 0 -1 (-100%)

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userId 1 266 ! 39 εϓϨουγʔτ ·͡ΏΔͬͱͰ͖ΔΘ͊ʙ

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40 ݟ͍ͯΔөը͕ҰॹͰɺ׌ͭɺධՁ͕ࣅ͍ͯΔ ˠ͋ͳͨͱ޷Έ͕ࣅ͍ͯΔΑʂͬͯ͜ͱͶ

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41 ΞΫγϣϯܥͷөըΛߴධՁͯ͠ΔݟͯΔϢʔβʔ͸ ΞΫγϣϯܥͷөըΛߴධՁ͍ͯ͠ΔϢʔβʔͱ૬͍ؔͯ͠Δʢࣅ͍ͯΔʣ ˠ ͦΓΌͦ͏Ͷ ˠ 1 !

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AutoML Tables 42

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AutoML Tables 43 • 500 • 1000 • 600 • 1000 ͔ͩΒͦ͜ɺ3FDPNNFOEBUJPOT"*͕͋ΔͷͶʜ ͦ΋ͦ΋໨త΋ҧ͏͠ͳ͊