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
論文紹介: Improving Implicit Feedback-Based Recomme...
Search
Shuhei Goda
November 22, 2023
Technology
0
550
論文紹介: Improving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment(Xin Xin et al., 2023)
ウォンテッドリー社内勉強会~推薦論文読み会~
https://wantedly.connpass.com/event/301781/
Shuhei Goda
November 22, 2023
Tweet
Share
More Decks by Shuhei Goda
See All by Shuhei Goda
Turing × atmaCup #18 - 1st Place Solution
hakubishin3
0
480
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
760
とある事業会社にとっての Kaggler の魅力
hakubishin3
8
2k
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
930
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
1k
Recommendation Industry Talks #1 Opening
hakubishin3
1
330
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
hakubishin3
0
580
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
910
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
6.6k
Other Decks in Technology
See All in Technology
社内イベント管理システムを1週間でAKSからACAに移行した話し
shingo_kawahara
0
180
Snowflake女子会#3 Snowpipeの良さを5分で語るよ
lana2548
0
230
alecthomas/kong はいいぞ / kamakura.go#7
fujiwara3
1
300
LINEスキマニにおけるフロントエンド開発
lycorptech_jp
PRO
0
330
権威ドキュメントで振り返る2024 #年忘れセキュリティ2024
hirotomotaguchi
2
740
KubeCon NA 2024 Recap / Running WebAssembly (Wasm) Workloads Side-by-Side with Container Workloads
z63d
1
240
KubeCon NA 2024 Recap: How to Move from Ingress to Gateway API with Minimal Hassle
ysakotch
0
200
UI State設計とテスト方針
rmakiyama
2
510
なぜCodeceptJSを選んだか
goataka
0
160
re:Invent をおうちで楽しんでみた ~CloudWatch のオブザーバビリティ機能がスゴい!/ Enjoyed AWS re:Invent from Home and CloudWatch Observability Feature is Amazing!
yuj1osm
0
120
ブラックフライデーで購入したPixel9で、Gemini Nanoを動かしてみた
marchin1989
1
520
私なりのAIのご紹介 [2024年版]
qt_luigi
1
120
Featured
See All Featured
Java REST API Framework Comparison - PWX 2021
mraible
PRO
28
8.3k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
229
52k
Fontdeck: Realign not Redesign
paulrobertlloyd
82
5.3k
[RailsConf 2023] Rails as a piece of cake
palkan
53
5k
Being A Developer After 40
akosma
87
590k
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k
StorybookのUI Testing Handbookを読んだ
zakiyama
27
5.3k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
280
13k
Scaling GitHub
holman
458
140k
Raft: Consensus for Rubyists
vanstee
137
6.7k
Producing Creativity
orderedlist
PRO
341
39k
Building Flexible Design Systems
yeseniaperezcruz
327
38k
Transcript
©2023 Wantedly, Inc. จհɿImproving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment
ΥϯςουϦʔࣾษڧձ~ਪનจಡΈձ~ Nov. 22 2023 - ߹ాपฏʢΥϯςουϦʔגࣜձࣾʣ Xin Xin et al., 2023 https://dl.acm.org/doi/10.1145/3539618.3591697
©2023 Wantedly, Inc. ࣗݾհ ໊લɿ ߹ా पฏ(Shuhei Goda) ॴଐͱׂɿ
ɾΥϯςουϦʔגࣜձࣾ(2019~) ɾਪનνʔϜϦʔμʔ ɾML Tech Lead & Product Manager Kaggle Tierɿ Kaggle Competitions Grandmaster @hakubishin3 @jy_msc @shuheigoda
©2023 Wantedly, Inc. αϚϦʔ ෳͷߦಈใΛΞϥΠϝϯτͯ͠ਅͷᅂΛਪఆ͢Δख๏ΛఏҊͨ͠จ • ϞνϕʔγϣϯɿෳͷߦಈσʔλΛֶशʹ͏͜ͱͰɺ֤ߦಈσʔλͷܽΛิ͍͍ͨ • ՝ɿ •
ߦಈσʔλͷؒʹΪϟοϓ͕͋Δ • औಘ͕༰қͳߦಈσʔλ΄ͲϊΠζ͕େ͖͍ • ղܾํ๏ɿ • ϢʔβʔͷਅͷᅂΛજࡏมͱ͠ɺͦΕʹج͍ͮͨߦಈ݁Ռ͕؍ଌมͱΈͳ͢ • જࡏมΛڬΜͰɺෳͷߦಈσʔλΛదʹΞϥΠϝϯτ͢Δ
©2023 Wantedly, Inc. ຊݚڀͷϞνϕʔγϣϯ ҉తϑΟʔυόοΫΛ׆༻ͯ͠ɺߴਫ਼ͳਪનΛߦ͍͍ͨ • ҉తϑΟʔυόοΫʢimplicit feedbackʣͷྫɿΫϦοΫɺΧʔτͷՃɺߪೖ • ໌ࣔతϑΟʔυόοΫʢexplicit
feedbackʣͱҟͳΓɺ҉తϑΟʔυόοΫ σʔλΛऔಘ͘͢͠ɺଟ͘ͷਪનγεςϜ͜ΕΛͱʹֶश͞Ε͍ͯΔ ໌ࣔత ҉త σʔλྔ গͳ͍ ଟ͍ σʔλͷਖ਼֬͞ ਖ਼֬ ෆਖ਼֬ ະධՁͱωΨςΟ ϒͷ۠ผ ໌֬ ෆ໌֬ ʰਪનγεςϜ࣮ફೖʱhttps://www.oreilly.co.jp/books/9784873119663
©2023 Wantedly, Inc. ຊݚڀͷϞνϕʔγϣϯ ҰൠతʹΫϦοΫσʔλ͚ͩΛ͏͜ͱ͕ଟ͍ • ΫϦοΫσʔλ༷ʑͳ҉తϑΟʔυόοΫͷதͰಛʹ༰қʹೖखՄೳ • ͔͠͠ɺϊΠζόΠΞε͕େ͖͘ɺਖ਼֬ͳᅂͷਪఆ͕͍͠
©2023 Wantedly, Inc. ຊݚڀͷϞνϕʔγϣϯ ΫϦοΫσʔλͰͳ͘ɺߪೖσʔλ͚ͩΛར༻͢Δͷʁ • ਪનγεςϜͰϢʔβʔʹଅਐ͍ͤͨ͞ߦಈʢeίϚʔεͰ͋ΕߪೖʣΛֶशʹ ͑ΔͷͰ͋ΕɺͦΕʹӽͨ͜͠ͱͳ͍ •
͔͠͠ɺσʔλͷεύʔεੑʹىҼ͢Δίʔϧυελʔτ͕ੜ͍͢͡
©2023 Wantedly, Inc. ຊݚڀͷϞνϕʔγϣϯ ෳͷछྨͷߦಈΛֶशʹར༻ͯ͠ɺͦΕͧΕͷܽΛิ͍͍ͨ • ิॿతͳߦಈσʔλ(ΫϦοΫ)Λར༻͢Δ͜ͱͰɺεύʔεͳλʔήοτߦಈ(ߪೖ)ͷ ༧ଌੑೳΛڧԽͤ͞Δ ΫϦοΫ
ߪೖ σʔλྔ ଟ͍ গͳ͍ ϊΠζͷେ͖͞ େ͖͍ খ͍͞ ίʔϧυελʔτ ൃੜ͠ʹ͍͘ ൃੜ͍͢͠
©2023 Wantedly, Inc. ղܾ͍ͨ͠՝ᶃ ෳछྨͷߦಈσʔλͷؒʹΪϟοϓ͕ଘࡏ͢Δ • ྫ͑ɺϢʔβʔ͕ΫϦοΫ͕ͨ͠ߪೖ͠ͳ͔ͬͨͳͲɺ֤ʑͷϊΠζʹΑͬͯੜ͡Δ • φΠʔϒʹʮߦಈͷछྨ͝ͱʹϢʔβʔͷΈΛֶशͨ͠ޙͦΕͧΕΛΈ߹ΘͤΔʯ
͜ͱΛͨ͠ͱͯ͠ɺҰ؏ͨ͠ϢʔβʔͷਅͷᅂΛਪఆ͢Δ͜ͱͦ͠͏
©2023 Wantedly, Inc. ղܾ͍ͨ͠՝ᶄ ิॿతͳߦಈσʔλͰ͋ΔΫϦοΫσʔλͷϊΠζ͕ඇৗʹେ͖͍ • ϊΠζͷେ͖͞Λߟྀ͓͔ͯ͠ͳ͍ͱɺ͜ΕͷӨڹ͕ࢧతʹͳͬͯ͠·͏
©2023 Wantedly, Inc. ઌߦݚڀͲ͏͍ͯͨ͠ʁ ෳछྨͷߦಈΛ׆༻͢Δઌߦݚڀɺ՝ᶃᶄʹରԠͰ͖͍ͯͳ͍ͱओு • ߦಈͷछྨΛҟछͷϊʔυʹஔ͖͑ͯάϥϑͰղ͍ͨΓɺϚϧνλεΫֶशΛͨ͠Γ • σʔλͷΪϟοϓΛߟྀͰ͖͍ͯͳ͍ͷͰɺීวతͳᅂදݱΛ࡞Ε͍ͯͳ͍ͷͰ •
ิॿใͷϊΠζͷେ͖͞ΛߟྀͰ͖͍ͯͳ͍ͷͰɺޮՌతͳิॿʹͳ͍ͬͯͳ͍ͷͰ
©2023 Wantedly, Inc. ຊݚڀͰࢧ͍࣋ͨ͠Ծઆ ෳछྨ͋ΔߦಈͦΕͧΕϢʔβʔͷਅͷᅂʹج͍͍ͮͯΔ ਅͷᅂ P(R_t) ΫϦοΫ P(R_g) ߪೖ
P(R_f) ʴϊΠζͳͲ ʴϊΠζͳͲ
©2023 Wantedly, Inc. Ծઆʹج͍ͮͨख๏ͷఏҊ જࡏม(ਅͷᅂ)ΛڬΜͰɺෳछྨͷߦಈσʔλΛΞϥΠϝϯτ͢Δ • ਅͷᅂΛֶशͯ͠ਪʹ͏ • ֤ߦಈσʔλͱͷؒͷKL-divͷ࠷খԽͱ֤ߦಈσʔλͷ࠷େԽΛࢦ͢ ֶशɿ
ਪɿ ਪ࣌ʹP(R_f)Λ͍ͬͯΔͷܦݧతʹྑ͔͔ͬͨΒ
©2023 Wantedly, Inc. ֶश࣌ͷ ֶश҆ఆੑΛߴ͘͢ΔͨΊʹKL-divͷܭࢉͰࣄલֶशࡁΈϞσϧΛ͏ • ࣄલʹߦಈͷछྨ͝ͱʹϞσϧΛֶश͓ͤͯ͘͞ ͷՕॴҎ֎ͷϞσϧֶ͕शର
©2023 Wantedly, Inc. ࣮ݧઃܭ ࣮ݧͰݕূ͍ͨ͜͠ͱʁ(RQ) • ఏҊख๏ͷੑೳطଘͷෳߦಈϞσϧΑΓ্͍ͯ͠Δ͔ʁ • ఏҊख๏ͷੑೳطଘͷσϊΠδϯάख๏ΑΓ্͍ͯ͠Δ͔ʁ
©2023 Wantedly, Inc. ࣮ݧઃܭ ઃܭ߲ • σʔληοτɿECαʔϏεͷΦʔϓϯσʔλʢΫϦοΫΛิॿɺߪೖΛλʔήοτͱ͢Δʣ • ධՁࢦඪɿRecall@k ͱ
NDCG@k (k=10, 20)ɺ྆ऀͱ͕ߴ͍΄Ͳྑ͍݁Ռ • ϕʔεϥΠϯɿϋΠύϥධՁσʔληοτ͝ͱʹඍௐ
©2023 Wantedly, Inc. ࣮ݧ݁Ռᶃ طଘͷෳߦಈϞσϧΑΓ༧ଌਫ਼্͕͍ͯ͠Δ͜ͱΛ֬ೝ ୯Ұ ෳ
©2023 Wantedly, Inc. ࣮ݧ݁Ռᶄ طଘͷσϊΠδϯάख๏ΑΓ༧ଌਫ਼্͕͍ͯ͠Δ͜ͱΛ֬ೝ ୯Ұ ୯Ұ σ ϊ Π
δ ϯ ά ख ๏
©2023 Wantedly, Inc. αϚϦʔ ෳͷߦಈใΛΞϥΠϝϯτͯ͠ਅͷᅂΛਪఆ͢Δख๏ΛఏҊͨ͠จ • ϞνϕʔγϣϯɿෳͷߦಈσʔλΛֶशʹ͏͜ͱͰɺ֤ߦಈσʔλͷܽΛิ͍͍ͨ • ՝ɿ •
ߦಈσʔλͷؒʹΪϟοϓ͕͋Δ • औಘ͕༰қͳߦಈσʔλ΄ͲϊΠζ͕େ͖͍ • ղܾํ๏ɿ • ϢʔβʔͷਅͷᅂΛજࡏมͱ͠ɺͦΕʹج͍ͮͨߦಈ݁Ռ͕؍ଌมͱΈͳ͢ • જࡏมΛڬΜͰɺෳͷߦಈσʔλΛదʹΞϥΠϝϯτ͢Δ