KDD2021論文読み会資料

↓のKDD論文読み会イベントでの発表1の資料です
https://line.connpass.com/event/225520/

論文リンク: https://dl.acm.org/doi/abs/10.1145/3447548.3467176

Transcript

1. Adversarial Feature Translation for Multi-domain Recommendation Takaaki Sanjoh, LINE Corporation KDD2021 論文読み会, 2021/10/07
2. lMotivation lProposal lExperiment lSummary Outline
3. ར఺ .VMUJ
   EPNBJO
   SFDPNNFOEBUJPO l ෳ਺υϝΠϯؒͰ૬ޓʹ৘ใΛิ׬͋͠͏͜ͱͰɺύϑΥʔϚϯεͷ޲্ Λظ଴Ͱ͖Δ ՝୊఺ l ͲͷΑ͏ʹͯ͠ಛ௃ྔͷυϝΠϯؒަޓ࡞༻Λֶश͢Δ͔ l σʔλͷૄੑ΁ͷରॲ ໨త l ಈը΍χϡʔεͳͲɺෳ਺ͷυϝΠϯΛԣஅͨ͠ਪનϞσϧͷ։ൃ
4. ͭͷϝΧχζϜΛߟҊ l ("/Λ༻͍ͨෛྫੜ੒ l .BTLFE
   FODPEFS l TUFQͷಛ௃ྔม׵ ఏҊख๏
   "'5
   "EWFSTBSJBM
   'FBUVSF
   5SBOTMBUJPO ධՁ l ༷ʑͳσʔληοτɺυϝΠϯͰҰ؏ͯ͠ੑೳ޲্Λ֬ೝ l ͦΕͧΕͷϝΧχζϜ͕ੑೳʹ༩͑ΔӨڹΛௐࠪ IUUQTEMBDNPSHEPJBCT
5. ϞσϧͷτϨʔχϯά Ϟσϧͷશମ૾ ຊ෺σʔλ VTFS
   DMJDLFE
   JUFN ِ෺σʔλ VTFS
   JUFN user特徴量 Generator Discriminator 本物/偽物判定 l (FOFSBUPS͸ِͷΫϦοΫϩάΛੜ੒ l %JTDSJNJOBUPS͸ຊ෺ͱِ෺ͷ ΫϦοΫϩάΛ൑ผ ΞΠςϜͷਪન l (FOFSBUPSΛ༻͍Δ৔߹ (FOFSBUPS͕ੜ੒ͨ͠ΞΠςϜΛͦͷ··ਪન l %JTDSJNJOBUPSΛ༻͍Δ৔߹ %JTDSJNJOBUPS͕ຊ෺ͷՄೳੑ͕ߴ͍ͱ൑அͨ͠ ΞΠςϜΛਪન
6. (FOFSBUPS ຊ෺σʔλ VTFS
   DMJDLFE
   JUFN ِ෺σʔλ VTFS
   JUFN user特徴量 Generator Discriminator 本物/偽物判定 ϚϧνυϝΠϯͷVTFSಛ௃ྔ͔ΒFNCFEEJOHΛܭࢉ͠ɺۙ๣ͷJUFNΛαϯϓϧ͢Δ
7. (FOFSBUPS ຊ෺σʔλ VTFS
   DMJDLFE
   JUFN ِ෺σʔλ VTFS
   JUFN user特徴量 Generator Discriminator 本物/偽物判定 %PNBJOTQFDJGJD
   NBTL l λʔήοτυϝΠϯͷ৘ใΛܽམͤ͞Δ l ͦͷଞͷυϝΠϯͷ৘ใ׆༻Λଅਐ
8. %JTDSJNJOBUPS ຊ෺σʔλ VTFS
   DMJDLFE
   JUFN ِ෺σʔλ VTFS
   JUFN user特徴量 Generator Discriminator 本物/偽物判定 VTFSͱJUFNͷϖΞ͕ຊ෺σʔλͰ͋Δ֬཰Λ༧ଌ
9. %JTDSJNJOBUPS ຊ෺σʔλ VTFS
   DMJDLFE
   JUFN ِ෺σʔλ VTFS
   JUFN user特徴量 Generator Discriminator 本物/偽物判定 'FBUVSF
   USBOTMBUJPO
   OE TUFQ Ϣʔβʔͷ૯߹తͳ޷ΈɺυϝΠϯͷ৘ใ ˠϢʔβʔͷυϝΠϯಛԽͨ͠޷Έ 'FBUVSF
   USBOTMBUJPO
   TU TUFQ Ϣʔβʔͷ֤υϝΠϯͷڵຯͷൺ཰ɺશυϝΠϯͷಛ௃ྔ ˠϢʔβʔͷ૯߹తͳ޷Έ
10. ଛࣦؔ਺ ຊ෺σʔλ VTFS
    DMJDLFE
    JUFN ِ෺σʔλ VTFS
    JUFN user特徴量 Generator Discriminator 本物/偽物判定 
    %JTDSJNJOBUPS
    MPTT l ِ෺σʔλͷଟ༷ੑΛߴΊΔଛࣦؔ਺ 
    (FOFSBUPS
    MPTT 
    %JTTJNJMBSJUZ
    MPTT ِ෺σʔλͷޡ෼ྨଛࣦʹؔ͢Δ߲ ຊ෺σʔλޡ෼ྨଛࣦʹؔ͢Δ߲ ِ෺ΞΠςϜͱຊ෺ΞΠςϜͷ.BYJNVN
    .FBO
    %JTDSFQBODZ
11. 0GGMJOFධՁ l σʔληοτ l /FUGMJY
    1SJ[F 3PNBODF
    )JTUPSZͷδϟϯϧΛผυϝΠϯͱ͢Δ l .%3#
    8F$IBUͷهࣄɺϏσΦɺϛχΞϓϦͳͲͷQSJWBUF
    EBUB l ධՁࢦඪ
    3FDBMM!/ = ΫϦοΫ ∩ ਪન ΫϦοΫ /FUGMJY
    1SJ[F .%3#
12. ಛʹίʔϧυελʔτϢʔβʔͰੑೳ޲্ 0OMJOFධՁ l ઃఆ l 5PQ
    4UPSJFT
    3FBEJOHͱ͍͏ͭͷਪન࿮ l ͲͪΒͷ࿮ʹ΋هࣄɺ௕͍ಈըɺ୹͍ಈըͷͭͷυϝΠϯ͕ਪન͞ΕΔ l ධՁࢦඪ l $53
    ΫϦοΫ཰ l "$/ Ұਓ౰ͨΓͷฏۉΫϦοΫ਺
13. ఏҊͨ͠ϝΧχζϜΛͭͣͭແޮԽͯ͠ੑೳൺֱ "CMBUJPO
    UFTU l ੑೳ΁ͷӨڹ͕΋ͬͱ΋େ͖͍ͷ͸HFOFSBUPS l ݸผͷϝΧχζϜ΋શͯੑೳ޲্ʹߩݙ͍ͯ͠Δ l σʔληοτ
    .%3# l ධՁࢦඪ
    3FDBMM!
14. NBTL཰ɺِ෺σʔλ਺ͷӨڹ NBTL཰͕௿͗͢Δ৔߹ l λʔήοτυϝΠϯҎ֎ͷ৘ใ͕ ༗ޮ׆༻͞Εͳ͍ 3FDBMM! XJUI EJGGFSFOU
    NBTL SBUJPT ِ෺σʔλ਺͕গͳ͗͢Δ৔߹ l (FOFSBUPSͷ୳ࡧ͕ෆे෼ʹͳΔ 3FDBMM! XJUI GBLF
    JUFN
    OVNCFST NBTL཰͕ߴ͗͢Δ৔߹ l λʔήοτυϝΠϯͷ৘ใ͕ফࣦ ͯ͠͠·͏ ِ෺σʔλ਺͕ଟ͗͢Δ৔߹ l ຊ෺σʔλͷӨڹ͕ബΕͯ͠·͏
15. 4VNNBSZ υϝΠϯؒަޓ࡞༻ͷֶशଅਐͱσʔλૄੑ΁ͷରॲ l ("/Λ༻͍ͨෛྫੜ੒ l .BTLFE
    FODPEFS l TUFQͷಛ௃ྔม׵ ධՁ l ༷ʑͳσʔληοτɺυϝΠϯͰҰ؏ͯ͠ੑೳ޲্Λ֬ೝ l ͦΕͧΕͷϝΧχζϜ͕ੑೳʹ༩͑ΔӨڹΛௐࠪ