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会社訪問アプリ「Wantedly Visit」での シゴトに関する興味選択機能と推薦改善

Shuhei Goda
December 20, 2023

会社訪問アプリ「Wantedly Visit」での シゴトに関する興味選択機能と推薦改善

5回 Data-Centric AI勉強会の登壇資料です
https://dcai-jp.connpass.com/event/303111/

Shuhei Goda

December 20, 2023
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  1. © 2023 Wantedly, Inc.
    ձࣾ๚໰ΞϓϦʮWantedly VisitʯͰͷ


    γΰτʹؔ͢Δڵຯબ୒ػೳͱਪનվળ
    ୈ5ճ Data-Centric AIษڧձ
    Dec. 20 2023 - Shuhei Goda

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  2. © 2023 Wantedly, Inc.
    ͸͡Ίʹ

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  3. ©2023 Wantedly, Inc.
    ໊લɿ

    ߹ా पฏ(Shuhei Goda)


    ॴଐͱ໾ׂɿ

    ɾ΢ΥϯςουϦʔגࣜձࣾ(2019~)

    ɾਪનνʔϜϦʔμʔ

    ɾML Tech Lead & Product Manager


    Kaggle Tierɿ

    Kaggle Competitions Grandmaster
    @hakubishin3
    @jy_msc
    ࣗݾ঺հ

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  4. © 2023 Wantedly, Inc.
    Ϣʔβʔ͕ڵຯΛબ୒Ͱ͖ΔػೳΛ։ൃ͠ɺ৽نొ࿥௚ޙͷମݧΛվળ
    ● ձࣾ๚໰ΞϓϦʮWantedly Visitʯͷ৽نొ࿥ͷϑϩʔͰ͸ɺϢʔβʔͷᅂ޷
    Λද͢৘ใΛे෼ʹऔಘͰ͖͓ͯΒͣɺίʔϧυελʔτ໰୊͕ੜ͍ͯͨ͡
    ● Ϣʔβʔ͕γΰτʹؔ͢ΔʮڵຯʯΛબ୒Ͱ͖Δػೳ։ൃͷաఔ΍ɺ

    Ϣʔβʔ͕બ୒ͨ͠ʮڵຯʯʹج͍ͮͨਪનվળʹ͍ͭͯ঺հ͢Δ
    ຊൃදͰ࿩͍ͨ͜͠ͱ

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  5. © 2023 Wantedly, Inc.
    ձࣾɾαʔϏεͷ঺հ

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  6. ©2023 Wantedly, Inc.
    ڀۃͷదࡐదॴʹΑΓɺ

    γΰτͰίίϩΦυϧͻͱΛ;΍͢
    ࢲͨͪͷϛογϣϯ
    ©2023 Wantedly, Inc.

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  7. © 2023 Wantedly, Inc.
    iOS, Android and Web
    ؾܰʹձࣾ๚໰
    ϛογϣϯ΍Ձ஋؍΁ͷڞײͰϚονϯά
    ● څ༩΍෱རްੜͳͲͷ৚݅Ͱ͸ͳ͘ɺ૝͍͕͋Ε͹ձࣾͷ
    ن໛ʹͱΒΘΕͳ͍
    ·ͣʮ࿩Λฉ͖ʹߦ͘ʯͱ͍͏৽͍͠ମݧ
    ● ݸਓͱاۀ͕ϑϥοτͳ໨ઢͰग़ձ͑Δ͜ͱͰɺΑΓັྗ
    తͳ৔ॴΛݟ͚ͭΔ͜ͱ͕Մೳʹ
    ձࣾ๚໰ΞϓϦʮWantedly Visitʯ

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  8. © 2023 Wantedly, Inc.
    ՝୊

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  9. © 2023 Wantedly, Inc.
    ৽نొ࿥ϢʔβʔͷԠื͕৳ͼ೰ΜͰ͍Δͱ͍͏໰୊͕͋ͬͨ
    ● ཧ૝తʹ͸ɺ৽نొ࿥ޙ͙͢ʹڵຯͷҾ͘ืूͱग़ձͬͯཉ͍͠
    ● ৭ʑཁҼ͸͋Δ͕ɺͦͷ͏ͪͷ1ͭʹʮ৽نొ࿥ޙʹਪન͞ΕΔืू͕Ϣʔ
    βʔʹϚον͍ͯ͠ͳ͍ʯ
    ϓϩμΫτͷ՝୊

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  10. © 2023 Wantedly, Inc.
    ৽نొ࿥Ϣʔβʔͷᅂ޷Λද͢৘ใ͕গͳ͍
    ● ৽نొ࿥࣌ʹऔಘ͍ͯͨ͠ᅂ޷৘ใ͸ʮ৬छʯͷΈ
    ● Wantedly Visit ͸ଟछଟ༷ͳۀքɾ෯޿͍೥ྸ૚ͷϢʔβʔ͕ར༻͓ͯ͠Γɺ
    ʮ৬छʯ͚ͩΛ؍఺ʹͨ͠γΰτ୳ͩ͠ͱରԠ͖͠Εͳ͍
    - બ୒ࢶதͷ৬छʹબ΂Δ΋ͷ͕ͳ͍
    - ৬छͷΈͰγΰτΛܾΊΒΕͳ͍
    ৽نొ࿥௚ޙͷਪનͷ࣭͕͋·Γߴ͘ͳ͍ͷ͸ͳ͔ͥ

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  11. © 2023 Wantedly, Inc.
    Ͳ͏ղܾ͢Δ͔

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  12. © 2023 Wantedly, Inc.
    ໨తɿΑΓଟ͘ͷਓ͕ɺొ࿥ޙ͙͢ʹڵຯΛҾ͘ืूͱग़ձ͑ΔΑ͏ʹ͢Δ


    ղܾ΁ͷํ਑ɿ୭΋͕৬छҎ֎ͷγΰτʹؔ͢ΔʮڵຯʯΛબ΂ΔΑ͏ʹ
    ͠ɺબ୒ͨ͠ʮڵຯʯʹԠͯ͡ద੾ͳืू͕ਪન͞ΕΔΑ͏ʹ͢Δ
    ղܾ΁ͷํ਑
    Step1


    ڵຯΛબͿ
    Step2


    ਪન͞ΕΔ

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  13. © 2023 Wantedly, Inc.
    Step1. ڵຯΛબͿ - Ͳ͏બΜͰ΋Β͏͔

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  14. © 2023 Wantedly, Inc.
    ҎԼΛ౿·্͑ͨͰɺ୭Ͱ΋ڵຯΛબ΂ΔΑ͏ʹ͢Δඞཁ͕͋Δ
    ● ଟछଟ༷ͳϢʔβʔ͸ڵຯؔ৺ͷ෯͕޿͘ɺ͔ͭਂ͞Λ͍࣋ͬͯΔ
    ● ෳ਺ͷ؍఺Ͱγΰτ୳͕͠ߦΘΕ͍ͯΔ
    ʮStep1. ڵຯΛબͿʯͷ࣮ݱʹ͋ͨͬͯؾΛ͚ͭΔ͜ͱ
    γΰτ୳͢͠Δ্Ͱͷ؍఺ͱͦͷཁૉͱͳΔʮڵຯʯͷҰྫ

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  15. © 2023 Wantedly, Inc.
    ಉ͡؍఺Ͱਖ਼൓ରͷબ୒ࢶΛൺֱ͢Δ͜ͱͰબͼ΍͘͢͢Δ
    ● ͜ΕΛେ͖ͳཻ౓͔Β࢝ΊͯɺԿ౓͔બΜͰ͍Δͱ࠷ऴతʹਂ͍ڵຯؔ৺ʹ
    ͨͲΓண͚ΔΑ͏ʹ͢Δ
    ʮStep1. ڵຯΛબͿʯͷΞϓϩʔν
    Ξϓϩʔνͷྫʢ෼͔Γ΍͢͞ॏࢹͰγΰτΛ୊ࡐʹ͍ͯ͠ͳ͍Ͱ͢ʣ
    ֎Ͱ༡Ϳ
    ՈͰ༡Ϳ
    ήʔϜ͢Δ
    ษڧ͢Δ
    μʔΫι΢ϧΛ͢Δ
    ΅͘ͷͳͭ΍͢ΈΛ΍Δ

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  16. © 2023 Wantedly, Inc.
    UIͰͷදݱ
    ෳ਺ͷ؍఺Λಉ࣌ʹฒ΂Δ ಉ͡؍఺ͷڵຯΛฒ΂Δ

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  17. © 2023 Wantedly, Inc.
    ϫʔυΫϥ΢υ
    ʮڵຯʯΛબ୒͢ΔͱɺͦΕͷҰஈਂ͍֊૚

    ʹଘࡏ͢Δʮڵຯʯ͕৽͘͠௥Ճ͞ΕΔ

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  18. © 2023 Wantedly, Inc.
    Step1. ڵຯΛબͿ - ԿΛબΜͰ΋Β͏͔

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  19. © 2023 Wantedly, Inc.
    ଟ͘ͷϢʔβʔ͕બ୒Ͱ͖Δʮڵຯʯͷ

    ୯ޠΛநग़ɺߏ଄Խ͢Δ


    ΫϥελϦϯάͷ݁Ռʹج͍ͮͯ


    Ϣʔβʔ͕ڵຯΛબΜͩޙʹ


    Ͳ͏͍͏ڵຯΛग़ݱͤ͞Δ͔ΛܾΊΔ
    UI/UX ʹ߹Θͤͯʮڵຯʯͷߏ଄Λ࡞Δ اۀͷืूͷৄࡉςΩετ
    ᶃڵຯͷநग़
    ʮMLOpsʯ
    ʮ౷ܭతݕఆʯ
    ʮΠϯλʔϯʯ
    ʮඒ༰ʯ
    ʮDeep Learningʯ
    ʮVRσβΠϯʯ ʮσʔλαΠΤϯςΟετʯ

    ᶄڵຯͷΫϥελϦϯά
    Ϋϥελͷ࡞੒ͱ୅ද఺ͷܾఆΛ࠶ؼతʹߦ͍ɺ

    ֊૚ߏ଄Λߏங
    ※Χοί಺ͷ਺ࣈ͸Document Frequencyʹ૬౰͢Δ΋ͷ

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  20. © 2023 Wantedly, Inc.
    σʔλ෼ੳख๏ʹج͍ͮͨ݁ՌΛૉҊͱͯ͠ɺਓखͰબఆɾߏ଄Խ
    ● ҙຯͷ͋Δܗʹ·ͱ·͍ͬͯΔ͜ͱ΋͋Δ͠ɺͦ͏ͳΒͳ͍͜ͱ΋͋Δ
    ● ߏ଄ͷ׬શͳࣗಈԽ͸ظ଴Ͱ͖ͳ͍͕ɺϓϥοτϑΥʔϜʹ͓͚Δʮڵຯʯ
    ͷधཁͱڙڅʹجͮ͘ߏ଄͸͓͓Αͦ͸Θ͔ΔͷͰҙຯ͸͋Δ
    ● ͋Δ΂͖؍఺ͷఆٛ΍ΫϥελϦϯάͷ݁Ռͷղऍ͔Βߏ଄ΛݻΊ͍͖ͯɺ
    ͋Δఔ౓ࣗ༝౓͕ݮͬͨΒ·ͨΫϥελϦϯά͢ΔɺΛ܁Γฦ͢
    Ͱ΋݁ہ͸ਓखͰ͢

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  21. © 2023 Wantedly, Inc.
    Step1. ڵຯΛબͿ - ԿݸબΜͰ΋Β͏͔

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  22. © 2023 Wantedly, Inc.
    ࠷௿ 3 ݸɺ ࠷େ 10 ݸʹઃఆͨ͠
    ● Ϣʔβʔͷ໌ࣔతͳᅂ޷৘ใ͸ଟ͘ཉ͍͠
    ● ೖྗͯ͠΋Β͏ྔͱ཭୤཰͕τϨʔυΦϑͷؔ܎ʹ͋Δ͕ɺ

    ཭୤͕૿Ճ͢ΔҎ্ͷޮՌ͕͋Δͱظ଴ͯ͠ઃఆ
    ԿݸબͿͱྑͦ͞͏ʁ

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  23. © 2023 Wantedly, Inc.
    Step2. ਪન͢Δ

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  24. © 2023 Wantedly, Inc.
    ಺༰ϕʔεϑΟϧλϦϯάΛ࠾༻
    ● ༧Ίʮڵຯʯ͝ͱʹϥϯΩϯάΛੜ੒͓͖ͯ͠ɺϦΫΤετ࣌ʹϢʔβͷબ
    ୒ͨ͠ʮڵຯʯʹ֘౰͢ΔϥϯΩϯάΛऔಘ͠ɺϥϯΩϯάείΞΛՙॏฏ
    ۉ͢Δ
    બ୒ͨ͠ڵຯʹج͍ͮͨਪન

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  25. © 2023 Wantedly, Inc.
    ݁Ռ͸Ͳ͏ͳ͔ͬͨ

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  26. © 2023 Wantedly, Inc.
    վળͤͣɺΉ͠ΖѱԽͯͦ͠͏ͳؾ഑͋Γ
    ϕʔεϥΠϯɿʮ৬छʯʹج͍ͮͨਪનΞϧΰϦζϜ
    A/B ςετͰݕূ

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  27. © 2023 Wantedly, Inc.
    ཁҼ͸ڵຯͷબ୒਺ͷ্ݶ͕ଟ͗ͨ͢͜ͱʢ࠷େ 10 ݸʣ
    ● ࠓճ࡞੒ͨ͠ UI ʹΑͬͯɺڵຯΛ্ݶ͍ͬͺ͍·Ͱબ୒͢ΔϢʔβʔ͕ଟ͍
    ͜ͱ͕Θ͔ͬͨ
    ● ڵຯ͕ଟ͘બ୒͞ΕΔ͜ͱ͸خ͍͜͠ͱ͕ͩɺϢʔβʔʹͱͬͯॏཁͰͳ͍
    ڵຯ΋ؚ·Εͯ͠·͏ˍͦͷॏཁ౓Λ൑அͰ͖ͳ͍͜ͱͰɺਪનਫ਼౓͕ѱԽ
    ● શ͘աڈͷ৘ใͷͳ͍ঢ়گͩͱγϯϓϧͳऔΓ૊ΈʹͳΒ͟ΔΛಘͳ͍
    ● ͔ͩΒͦ͜ɺڵຯͷબ୒্ݶΛ͋͑ͯ཈͑Δબ୒ΛऔΔ
    ͳͥվળͰ͖͍ͯͳ͍ͷ͔

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  28. © 2023 Wantedly, Inc.
    ओཁͳϝτϦΫε͕ +30% ͱେ͖͘վળ 🎉
    બ୒্ݶΛ10→6ʹมߋͯ͠ɺA/B ςετͰ࠶ݕূ

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  29. © 2023 Wantedly, Inc.
    Ϣʔβʔ͕ڵຯΛબ୒Ͱ͖ΔػೳΛ։ൃ͠ɺ৽نొ࿥௚ޙͷମݧΛվળ
    ● Ϣʔβʔͷਖ਼֬ͳᅂ޷Λଟ͘औಘ͢Δ͜ͱ͕ɺΑΓྑ͍ମݧ޲্ʹͭͳ͕Δ
    ● ڵຯબ୒ػೳͰ͸ҎԼΛຬͨ͢ UI Λ࡞Δ͜ͱͰબ୒཰ͷߴ͞Λ࣮ݱ
    ● ந৅ˠ۩ମͱਂ΅ΕΔΑ͏ʹ͢Δ
    ● ෳ਺ͷ؍఺͔Βબ΂ΔΑ͏ʹ͢Δ
    ● ͋͑ͯબ୒্ݶΛ཈͑Δ͜ͱͰɺΑΓਖ਼֬ͳᅂ޷Λબ୒ͯ͠΋Β͑ΔΑ͏ʹ
    ຊൃදͷαϚϦʔ

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