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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
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Shuhei Goda
December 20, 2023
Technology
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640
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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Transcript
© 2023 Wantedly, Inc. ձࣾ๚ΞϓϦʮWantedly VisitʯͰͷ γΰτʹؔ͢Δڵຯબػೳͱਪનվળ ୈ5ճ Data-Centric AIษڧձ
Dec. 20 2023 - Shuhei Goda
© 2023 Wantedly, Inc. ͡Ίʹ
©2023 Wantedly, Inc. ໊લɿ ߹ా पฏ(Shuhei Goda) ॴଐͱׂɿ
ɾΥϯςουϦʔגࣜձࣾ(2019~) ɾਪનνʔϜϦʔμʔ ɾML Tech Lead & Product Manager Kaggle Tierɿ Kaggle Competitions Grandmaster @hakubishin3 @jy_msc ࣗݾհ
© 2023 Wantedly, Inc. Ϣʔβʔ͕ڵຯΛબͰ͖ΔػೳΛ։ൃ͠ɺ৽نొޙͷମݧΛվળ • ձࣾ๚ΞϓϦʮWantedly Visitʯͷ৽نొͷϑϩʔͰɺϢʔβʔͷᅂ Λද͢ใΛेʹऔಘͰ͖͓ͯΒͣɺίʔϧυελʔτ͕ੜ͍ͯͨ͡ •
Ϣʔβʔ͕γΰτʹؔ͢ΔʮڵຯʯΛબͰ͖Δػೳ։ൃͷաఔɺ Ϣʔβʔ͕બͨ͠ʮڵຯʯʹج͍ͮͨਪનվળʹ͍ͭͯհ͢Δ ຊൃදͰ͍ͨ͜͠ͱ
© 2023 Wantedly, Inc. ձࣾɾαʔϏεͷհ
©2023 Wantedly, Inc. ڀۃͷదࡐదॴʹΑΓɺ γΰτͰίίϩΦυϧͻͱΛ;͢ ࢲͨͪͷϛογϣϯ ©2023 Wantedly, Inc.
© 2023 Wantedly, Inc. iOS, Android and Web ؾܰʹձࣾ๚ ϛογϣϯՁ؍ͷڞײͰϚονϯά
• څ༩རްੜͳͲͷ݅Ͱͳ͘ɺ͍͕͋Εձࣾͷ نʹͱΒΘΕͳ͍ ·ͣʮΛฉ͖ʹߦ͘ʯͱ͍͏৽͍͠ମݧ • ݸਓͱاۀ͕ϑϥοτͳઢͰग़ձ͑Δ͜ͱͰɺΑΓັྗ తͳॴΛݟ͚ͭΔ͜ͱ͕Մೳʹ ձࣾ๚ΞϓϦʮWantedly Visitʯ
© 2023 Wantedly, Inc. ՝
© 2023 Wantedly, Inc. ৽نొϢʔβʔͷԠื͕৳ͼΜͰ͍Δͱ͍͏͕͋ͬͨ • ཧతʹɺ৽نొޙ͙͢ʹڵຯͷҾ͘ืूͱग़ձͬͯཉ͍͠ • ৭ʑཁҼ͋Δ͕ɺͦͷ͏ͪͷ1ͭʹʮ৽نొޙʹਪન͞ΕΔืू͕Ϣʔ βʔʹϚον͍ͯ͠ͳ͍ʯ
ϓϩμΫτͷ՝
© 2023 Wantedly, Inc. ৽نొϢʔβʔͷᅂΛද͢ใ͕গͳ͍ • ৽نొ࣌ʹऔಘ͍ͯͨ͠ᅂใʮ৬छʯͷΈ • Wantedly Visit
ଟछଟ༷ͳۀքɾ෯͍ྸͷϢʔβʔ͕ར༻͓ͯ͠Γɺ ʮ৬छʯ͚ͩΛ؍ʹͨ͠γΰτ୳ͩ͠ͱରԠ͖͠Εͳ͍ - બࢶதͷ৬छʹબΔͷ͕ͳ͍ - ৬छͷΈͰγΰτΛܾΊΒΕͳ͍ ৽نొޙͷਪનͷ࣭͕͋·Γߴ͘ͳ͍ͷͳ͔ͥ
© 2023 Wantedly, Inc. Ͳ͏ղܾ͢Δ͔
© 2023 Wantedly, Inc. తɿΑΓଟ͘ͷਓ͕ɺొޙ͙͢ʹڵຯΛҾ͘ืूͱग़ձ͑ΔΑ͏ʹ͢Δ ղܾͷํɿ୭͕৬छҎ֎ͷγΰτʹؔ͢ΔʮڵຯʯΛબΔΑ͏ʹ ͠ɺબͨ͠ʮڵຯʯʹԠͯ͡దͳืू͕ਪન͞ΕΔΑ͏ʹ͢Δ ղܾͷํ Step1 ڵຯΛબͿ
Step2 ਪન͞ΕΔ
© 2023 Wantedly, Inc. Step1. ڵຯΛબͿ - Ͳ͏બΜͰΒ͏͔
© 2023 Wantedly, Inc. ҎԼΛ౿·্͑ͨͰɺ୭ͰڵຯΛબΔΑ͏ʹ͢Δඞཁ͕͋Δ • ଟछଟ༷ͳϢʔβʔڵຯؔ৺ͷ෯͕͘ɺ͔ͭਂ͞Λ͍࣋ͬͯΔ • ෳͷ؍Ͱγΰτ୳͕͠ߦΘΕ͍ͯΔ ʮStep1.
ڵຯΛબͿʯͷ࣮ݱʹ͋ͨͬͯؾΛ͚ͭΔ͜ͱ γΰτ୳͢͠Δ্Ͱͷ؍ͱͦͷཁૉͱͳΔʮڵຯʯͷҰྫ
© 2023 Wantedly, Inc. ಉ͡؍Ͱਖ਼ରͷબࢶΛൺֱ͢Δ͜ͱͰબͼ͘͢͢Δ • ͜ΕΛେ͖ͳཻ͔Β࢝ΊͯɺԿ͔બΜͰ͍Δͱ࠷ऴతʹਂ͍ڵຯؔ৺ʹ ͨͲΓண͚ΔΑ͏ʹ͢Δ ʮStep1. ڵຯΛબͿʯͷΞϓϩʔν
Ξϓϩʔνͷྫʢ͔Γ͢͞ॏࢹͰγΰτΛࡐʹ͍ͯ͠ͳ͍Ͱ͢ʣ ֎Ͱ༡Ϳ ՈͰ༡Ϳ ήʔϜ͢Δ ษڧ͢Δ μʔΫιϧΛ͢Δ ΅͘ͷͳͭ͢ΈΛΔ
© 2023 Wantedly, Inc. UIͰͷදݱ ෳͷ؍Λಉ࣌ʹฒΔ ಉ͡؍ͷڵຯΛฒΔ
© 2023 Wantedly, Inc. ϫʔυΫϥυ ʮڵຯʯΛબ͢ΔͱɺͦΕͷҰஈਂ͍֊ ʹଘࡏ͢Δʮڵຯʯ͕৽͘͠Ճ͞ΕΔ
© 2023 Wantedly, Inc. Step1. ڵຯΛબͿ - ԿΛબΜͰΒ͏͔
© 2023 Wantedly, Inc. ଟ͘ͷϢʔβʔ͕બͰ͖Δʮڵຯʯͷ ୯ޠΛநग़ɺߏԽ͢Δ ΫϥελϦϯάͷ݁Ռʹج͍ͮͯ Ϣʔβʔ͕ڵຯΛબΜͩޙʹ Ͳ͏͍͏ڵຯΛग़ݱͤ͞Δ͔ΛܾΊΔ
UI/UX ʹ߹ΘͤͯʮڵຯʯͷߏΛ࡞Δ اۀͷืूͷৄࡉςΩετ ᶃڵຯͷநग़ ʮMLOpsʯ ʮ౷ܭతݕఆʯ ʮΠϯλʔϯʯ ʮඒ༰ʯ ʮDeep Learningʯ ʮVRσβΠϯʯ ʮσʔλαΠΤϯςΟετʯ … ᶄڵຯͷΫϥελϦϯά Ϋϥελͷ࡞ͱදͷܾఆΛ࠶ؼతʹߦ͍ɺ ֊ߏΛߏங ※ΧοίͷࣈDocument Frequencyʹ૬͢Δͷ
© 2023 Wantedly, Inc. σʔλੳख๏ʹج͍ͮͨ݁ՌΛૉҊͱͯ͠ɺਓखͰબఆɾߏԽ • ҙຯͷ͋Δܗʹ·ͱ·͍ͬͯΔ͜ͱ͋Δ͠ɺͦ͏ͳΒͳ͍͜ͱ͋Δ • ߏͷશͳࣗಈԽظͰ͖ͳ͍͕ɺϓϥοτϑΥʔϜʹ͓͚Δʮڵຯʯ ͷधཁͱڙڅʹجͮ͘ߏ͓͓ΑͦΘ͔ΔͷͰҙຯ͋Δ
• ͋Δ͖؍ͷఆٛΫϥελϦϯάͷ݁Ռͷղऍ͔ΒߏΛݻΊ͍͖ͯɺ ͋Δఔࣗ༝͕ݮͬͨΒ·ͨΫϥελϦϯά͢ΔɺΛ܁Γฦ͢ Ͱ݁ہਓखͰ͢
© 2023 Wantedly, Inc. Step1. ڵຯΛબͿ - ԿݸબΜͰΒ͏͔
© 2023 Wantedly, Inc. ࠷ 3 ݸɺ ࠷େ 10 ݸʹઃఆͨ͠
• Ϣʔβʔͷ໌ࣔతͳᅂใଟ͘ཉ͍͠ • ೖྗͯ͠Β͏ྔͱ͕τϨʔυΦϑͷؔʹ͋Δ͕ɺ ͕૿Ճ͢ΔҎ্ͷޮՌ͕͋Δͱظͯ͠ઃఆ ԿݸબͿͱྑͦ͞͏ʁ
© 2023 Wantedly, Inc. Step2. ਪન͢Δ
© 2023 Wantedly, Inc. ༰ϕʔεϑΟϧλϦϯάΛ࠾༻ • ༧Ίʮڵຯʯ͝ͱʹϥϯΩϯάΛੜ͓͖ͯ͠ɺϦΫΤετ࣌ʹϢʔβͷબ ͨ͠ʮڵຯʯʹ֘͢ΔϥϯΩϯάΛऔಘ͠ɺϥϯΩϯάείΞΛՙॏฏ ۉ͢Δ બͨ͠ڵຯʹج͍ͮͨਪન
© 2023 Wantedly, Inc. ݁ՌͲ͏ͳ͔ͬͨ
© 2023 Wantedly, Inc. վળͤͣɺΉ͠ΖѱԽͯͦ͠͏ͳؾ͋Γ ϕʔεϥΠϯɿʮ৬छʯʹج͍ͮͨਪનΞϧΰϦζϜ A/B ςετͰݕূ
© 2023 Wantedly, Inc. ཁҼڵຯͷબͷ্ݶ͕ଟ͗ͨ͢͜ͱʢ࠷େ 10 ݸʣ • ࠓճ࡞ͨ͠ UI
ʹΑͬͯɺڵຯΛ্ݶ͍ͬͺ͍·Ͱબ͢ΔϢʔβʔ͕ଟ͍ ͜ͱ͕Θ͔ͬͨ • ڵຯ͕ଟ͘બ͞ΕΔ͜ͱخ͍͜͠ͱ͕ͩɺϢʔβʔʹͱͬͯॏཁͰͳ͍ ڵຯؚ·Εͯ͠·͏ˍͦͷॏཁΛஅͰ͖ͳ͍͜ͱͰɺਪનਫ਼͕ѱԽ • શ͘աڈͷใͷͳ͍ঢ়گͩͱγϯϓϧͳऔΓΈʹͳΒ͟ΔΛಘͳ͍ • ͔ͩΒͦ͜ɺڵຯͷબ্ݶΛ͋͑ͯ͑ΔબΛऔΔ ͳͥվળͰ͖͍ͯͳ͍ͷ͔
© 2023 Wantedly, Inc. ओཁͳϝτϦΫε͕ +30% ͱେ͖͘վળ 🎉 બ্ݶΛ10→6ʹมߋͯ͠ɺA/B ςετͰ࠶ݕূ
© 2023 Wantedly, Inc. Ϣʔβʔ͕ڵຯΛબͰ͖ΔػೳΛ։ൃ͠ɺ৽نొޙͷମݧΛվળ • Ϣʔβʔͷਖ਼֬ͳᅂΛଟ͘औಘ͢Δ͜ͱ͕ɺΑΓྑ͍ମݧ্ʹͭͳ͕Δ • ڵຯબػೳͰҎԼΛຬͨ͢ UI
Λ࡞Δ͜ͱͰબͷߴ͞Λ࣮ݱ • நˠ۩ମͱਂ΅ΕΔΑ͏ʹ͢Δ • ෳͷ؍͔ΒબΔΑ͏ʹ͢Δ • ͋͑ͯબ্ݶΛ͑Δ͜ͱͰɺΑΓਖ਼֬ͳᅂΛબͯ͠Β͑ΔΑ͏ʹ ຊൃදͷαϚϦʔ