Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
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
Search
Shuhei Goda
December 20, 2023
Technology
0
650
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
Tweet
Share
More Decks by Shuhei Goda
See All by Shuhei Goda
Turing × atmaCup #18 - 1st Place Solution
hakubishin3
0
890
ジョブマッチングサービスにおける相互推薦システムの応用事例と課題
hakubishin3
3
960
とある事業会社にとっての Kaggler の魅力
hakubishin3
8
2.6k
課題の解像度が荒かったことで意図した改善ができなかった話
hakubishin3
3
1k
Wantedly におけるマッチング体験を最大化させるための推薦システム
hakubishin3
4
1.2k
Recommendation Industry Talks #1 Opening
hakubishin3
1
390
論文紹介: Improving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment(Xin Xin et al., 2023)
hakubishin3
0
640
Feedback Prize - English Language Learning における擬似ラベルの品質向上の取り組み
hakubishin3
0
1k
ウォンテッドリーにおける推薦システムのオフライン評価の仕組み
hakubishin3
7
7k
Other Decks in Technology
See All in Technology
Oracle Cloud Infrastructure:2025年6月度サービス・アップデート
oracle4engineer
PRO
2
310
あなたの声を届けよう! 女性エンジニア登壇の意義とアウトプット実践ガイド #wttjp / Call for Your Voice
kondoyuko
4
510
asken AI勉強会(Android)
tadashi_sato
0
140
生成AI時代 文字コードを学ぶ意義を見出せるか?
hrsued
1
730
KubeCon + CloudNativeCon Japan 2025 Recap
ren510dev
1
300
低レイヤを知りたいPHPerのためのCコンパイラ作成入門 完全版 / Building a C Compiler for PHPers Who Want to Dive into Low-Level Programming - Expanded
tomzoh
4
3.4k
Tokyo_reInforce_2025_recap_iam_access_analyzer
hiashisan
0
140
CI/CD/IaC 久々に0から環境を作ったらこうなりました
kaz29
1
200
20250625 Snowflake Summit 2025活用事例 レポート / Nowcast Snowflake Summit 2025 Case Study Report
kkuv
1
370
Github Copilot エージェントモードで試してみた
ochtum
0
130
KubeCon + CloudNativeCon Japan 2025 Recap by CA
ponkio_o
PRO
0
250
生成AI時代の開発組織・技術・プロセス 〜 ログラスの挑戦と考察 〜
itohiro73
1
370
Featured
See All Featured
Why You Should Never Use an ORM
jnunemaker
PRO
58
9.4k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
17
950
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
Navigating Team Friction
lara
187
15k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
34
3.1k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
YesSQL, Process and Tooling at Scale
rocio
173
14k
The World Runs on Bad Software
bkeepers
PRO
69
11k
Producing Creativity
orderedlist
PRO
346
40k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
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