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スマートフォン向けインターネット広告配信システムの配信最適化

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 スマートフォン向けインターネット広告配信システムの配信最適化

DATUM STUDIO Conference 2017夏での講演資料です
非エンジニア向けの内容です

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Takashi Nishibayashi

July 11, 2017
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  1. ࣗݾ঺հ ID: hagino3000 Name: ੢ྛ ޹ (Takashi Nishibayashi) Job: Software

    Engineer ݱࡏ͸Zucks AdNetworkʹͯ഑৴ϩδοΫ ͷ։ൃΛ୲౰ɻσʔλ෼ੳج൫ͷߏங͔Β ػցֶशΛ࢖ͬͨ༧ଌɺ࠷దԽॲཧ·Ͱɻ 
  2. ωοτ޿ࠂ഑৴ͱ ਓ޻஌ೳཁૉٕज़ ✴ ഑৴͢Δ޿ࠂͷબ୒ ✴ CTRɾCVR༧ଌ ✴ ϢʔβʔτϥοΩϯά ✴ ྫ:

    ෳ਺σόΠεΛލ͍ͩߪങߦಈͷ௥੻ ✴ ޿ࠂޮՌͷਪఆ ✴ ྫ: TV CMͷޮՌਪఆ ✴ ޿ࠂΦʔΫγϣϯʹ͓͚ΔϦΞϧλΠϜೖࡳ 
  3. Zucks AdNetworkʹ͓͚Δ
 ࣄྫ঺հ ✴ લఏ ✴ ૊৫ͷσʔλ׆༻εςʔδ ✴ Ad NetworkʹٻΊΒΕΔ഑৴

    ✴ ࣄྫ1. ΫϦοΫ୯Ձͷ࠷దԽ ✴ ࣄྫ2. ୳ࡧ഑৴ͷޮ཰Խ 
  4. ղ͖͍ͨ໰୊ ✴ ͍ͭ ✴ ୭ʹ or Ͳͷ޿ࠂ࿮ʹ ✴ Ͳͷ޿ࠂΛ ✴

    (ΫϦοΫ୯Ձ) ͍͘ΒͰ ✴ දࣔ͢Δͷ͔ 
  5. ఆࣜԽ ✴ ໨ඪ ✴ ഔମࣾऩӹͷ࠷େԽ ✴ ੍໿৚݅ ✴ ޿ࠂओͷ໨ඪCPA (ίϯόʔδϣϯ֫ಘ͋ͨΓͷίετ)

    ✴ ޿ࠂओͷ༧ࢉ ✴ ޿ࠂදࣔճ਺  ͨͩ͠ ΫϦοΫ཰ɾίϯόʔδϣϯ཰͸ ഑৴͠ͳ͍ͱΘ͔Βͳ͍
  6. ՝୊ ✴ ྫ ✴ ίϯόʔδϣϯ཰100% ✴ ΫϦοΫ୯Ձ100ԁͳΒCPA100ԁͱͳΔ ✴ ͳΔ΂͘഑৴ͷॳظஈ֊ʹ͓͍ͯίϯόʔδϣϯ཰ Λਪఆ͍ͨ͠

    ✴ ͔͠͠ɺ഑৴ॳظ͸ΫϦοΫͷαϯϓϧαΠζ͕খ ͘͞౷ܭతʹ͸ྑ͍ͱ΋ѱ͍ͱ΋ݴ͑ͳ͍ 
  7. CVRਪఆ ✴ ίϯόʔδϣϯ܏޲ͷࣅͨ࿮ಉ࢜Ͱ͋Ε͹ɺCVR΋ۙ͘ ͳΔ͸ͣɻ͜ΕΛࣄલ෼෍ͱͯ͠࢖͑ͳ͍͔ ✴ ࣅͨ࿮ಉ࢜ͷू߹͸ΫϥελϦϯάͰٻΊΔ ✴ ࣄલ֬཰Λಋೖ͠ɺϕΠζͷఆཧʹΑΓΫϦοΫ਺ n ͷ

    ͏ͪ k ݸͷίϯόʔδϣϯΛ؍ଌͨ͠ޙͷ CVR ͷࣄޙ ֬཰Λߟ͑ΔɻCVRͷࣄલ෼෍Λϕʔλ෼෍Beta(α, β) ͱ͢ΔͱɺCVRͷࣄޙ෼෍΋ϕʔλ෼෍ʹͳΔɻ 
  8. 

  9. ݁Ռݕূ1 ✴ ༧ଌਫ਼౓͸ΦϑϥΠϯ࣮ݧͰݕূͰ͖Δ ✴ RMSE, Accuracy, Precision, F-value …. ✴

    ϏδωεαΠυ͕஌Γ͍ͨͷ͸ɺ༧ଌ͕౰ͨΔࣄʹΑ ΔܦӦࢦඪ΁ͷӨڹ (ྫ: ച্)  ༧ଌਫ਼౓͕YY্͕Γ·ͨ͠ ച্͸Ͳ͏ͳΔͷʜʜ
  10. ଟ࿹όϯσΟοτʹΑΔ Ξϓϩʔν ✴ εϩοτϚγϯͷϝλϑΝʔ ✴ εϩοτϚγϯ͕ෳ਺͋ͬͨ࣌ʹͲΕΛԿճҾ͘ ΂͖͔ ✴ ϝϦοτ ✴

    ڭࢣσʔλ͕ແ͍ॴ͔ΒελʔτͰ͖Δ ✴ ৽͍͠޿ࠂΩϟϯϖʔϯ͕࣍ʑͱೖߘ͞ΕΔઃఆ