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論文紹介: Improving Implicit Feedback-Based Recomme...

Shuhei Goda
November 22, 2023

論文紹介: Improving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment(Xin Xin et al., 2023)

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Shuhei Goda

November 22, 2023
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  1. ©2023 Wantedly, Inc. ࿦จ঺հɿImproving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment

    ΢ΥϯςουϦʔࣾ಺ษڧձ~ਪન࿦จಡΈձ~ Nov. 22 2023 - ߹ాपฏʢ΢ΥϯςουϦʔגࣜձࣾʣ Xin Xin et al., 2023 https://dl.acm.org/doi/10.1145/3539618.3591697
  2. ©2023 Wantedly, Inc. ࣗݾ঺հ ໊લɿ 
 ߹ా पฏ(Shuhei Goda) ॴଐͱ໾ׂɿ

    
 ɾ΢ΥϯςουϦʔגࣜձࣾ(2019~) 
 ɾਪનνʔϜϦʔμʔ 
 ɾML Tech Lead & Product Manager 
 
 Kaggle Tierɿ 
 Kaggle Competitions Grandmaster @hakubishin3 @jy_msc @shuheigoda
  3. ©2023 Wantedly, Inc. αϚϦʔ ෳ਺ͷߦಈ৘ใΛΞϥΠϝϯτͯ͠ਅͷᅂ޷Λਪఆ͢Δख๏ΛఏҊͨ͠࿦จ • Ϟνϕʔγϣϯɿෳ਺ͷߦಈσʔλΛֶशʹ࢖͏͜ͱͰɺ֤ߦಈσʔλͷܽ఺Λิ͍͍ͨ • ՝୊ɿ •

    ߦಈσʔλ෼෍ͷؒʹ͸Ϊϟοϓ͕͋Δ • औಘ͕༰қͳߦಈσʔλ΄ͲϊΠζ͕େ͖͍ • ղܾํ๏ɿ • Ϣʔβʔͷਅͷᅂ޷Λજࡏม਺ͱ͠ɺͦΕʹج͍ͮͨߦಈ݁Ռ͕؍ଌม਺ͱΈͳ͢ • જࡏม਺ΛڬΜͰɺෳ਺ͷߦಈσʔλΛద੾ʹΞϥΠϝϯτ͢Δ
  4. ©2023 Wantedly, Inc. ຊݚڀͷϞνϕʔγϣϯ ҉໧తϑΟʔυόοΫΛ׆༻ͯ͠ɺߴਫ਼౓ͳਪનΛߦ͍͍ͨ • ҉໧తϑΟʔυόοΫʢimplicit feedbackʣͷྫɿΫϦοΫɺΧʔτ΁ͷ௥Ճɺߪೖ • ໌ࣔతϑΟʔυόοΫʢexplicit

    feedbackʣͱҟͳΓɺ҉໧తϑΟʔυόοΫ͸ 
 σʔλΛऔಘ͠΍͘͢ɺଟ͘ͷਪનγεςϜ͸͜ΕΛ΋ͱʹֶश͞Ε͍ͯΔ ໌ࣔత ҉໧త σʔλྔ গͳ͍ ଟ͍ σʔλͷਖ਼֬͞ ਖ਼֬ ෆਖ਼֬ ະධՁͱωΨςΟ ϒͷ۠ผ ໌֬ ෆ໌֬ ʰਪનγεςϜ࣮ફೖ໳ʱhttps://www.oreilly.co.jp/books/9784873119663
  5. ©2023 Wantedly, Inc. ࣮ݧઃܭ ઃܭ߲໨ • σʔληοτɿECαʔϏεͷΦʔϓϯσʔλʢΫϦοΫΛิॿɺߪೖΛλʔήοτͱ͢Δʣ • ධՁࢦඪɿRecall@k ͱ

    NDCG@k (k=10, 20)ɺ྆ऀͱ΋஋͕ߴ͍΄Ͳྑ͍݁Ռ • ϕʔεϥΠϯɿϋΠύϥ͸ධՁσʔληοτ͝ͱʹඍௐ੔
  6. ©2023 Wantedly, Inc. αϚϦʔ ෳ਺ͷߦಈ৘ใΛΞϥΠϝϯτͯ͠ਅͷᅂ޷Λਪఆ͢Δख๏ΛఏҊͨ͠࿦จ • Ϟνϕʔγϣϯɿෳ਺ͷߦಈσʔλΛֶशʹ࢖͏͜ͱͰɺ֤ߦಈσʔλͷܽ఺Λิ͍͍ͨ • ՝୊ɿ •

    ߦಈσʔλ෼෍ͷؒʹ͸Ϊϟοϓ͕͋Δ • औಘ͕༰қͳߦಈσʔλ΄ͲϊΠζ͕େ͖͍ • ղܾํ๏ɿ • Ϣʔβʔͷਅͷᅂ޷Λજࡏม਺ͱ͠ɺͦΕʹج͍ͮͨߦಈ݁Ռ͕؍ଌม਺ͱΈͳ͢ • જࡏม਺ΛڬΜͰɺෳ਺ͷߦಈσʔλΛద੾ʹΞϥΠϝϯτ͢Δ