PURS: Personalized Unexpected Recommender System for Improving User Satisfaction

RecSys2020勉強会の発表資料です。

Transcript

1. ঺հऀɿ൧௩ᔨೋ࿠
2. ҙ֎ੑΛߟྀ͠ͳ͍ਪન ͋ͳͨʹ͓͢͢Ίͷ঎඼ ߪೖࡁΈͷ঎඼
3. 
   ՝୊ͱ໨త w ڠௐϑΟϧλϦϯάख๏ͷ՝୊
   w 0WFSTQFDJBMJ[BUJPO
   <"EBNPQPVMPT
   >
   w ա౓ʹࣅ͍ͯΔ঎඼͹͔ΓΛਪન͢Δ͜ͱ
   w 'JMUFS
   #VCCMFT
   </HVZFO
   
   1BSJTFS
   >
   w Ϣʔβʔ͕ڵຯΛ޿͛ΔΑ͏ͳਪનର৅͔Βִ཭͞Εͨঢ়ଶͷ͜ͱ
   w 6TFS
   #PSFEPN
   <,BQPPS
   >
   w ໨త
   w ϢʔβʔʹOPWFM
   
   TBUJTGZJOHͳਪનΛߦ͏
   ˠ
   ҙ֎ੑΛ׆༻ʂ
4. 
   ҙ֎ੑʹؔ͢Δطଘख๏ͷ՝୊ w ҙ֎ੑͷΈΛߟྀ͢ΔϞσϧ͸ϏδωεࢦඪΛᆝଛ͢ΔϦεΫ͕͋Δ
   w FY
   $MJDL
   5ISPVHI
   3BUF
   $53
   ΍
   (SPTT.FSDIBOEJTF7PMVNF (.7
   wεέʔϥϒϧͰ͸ͳ͍ͷͰຊ൪౤ೖͰ͖ͳ͍
   wඇύʔιφϥΠζυͳͷͰϢʔβʔମݧΛᆝଛ͢ΔϦεΫ͕༗Δ ࣮؀ڥʹ͓͚Δݕূ͕ෆे෼
5. 
   ؔ࿈ࢦඪ w 4FSFOEJQJUZ
   ະ஌ͷਪનର৅ʹର͢ΔϙδςΟϒͳڻ͖ͷײ৘ͷࢦඪ
   w /PWFMUZ
   Ϣʔβʔʹ͓͚Δਪનର৅ͷະ஌ͷׂ߹ͷࢦඪ
   w %JWFSTJUZ
   ਪનର৅ͷଟ༷ੑͷࢦඪ
   w $PWFSBHF
   ਪનର৅શΞΠςϜͷࢦඪ
6. 
   ҙ֎ੑͷ׆༻ w ҙ֎ੑͷࢦඪ
   w ະ஌ͷਪનର৅ʹ͍ͭͯɺͲΕ΄ͲϢʔβʔ͕༧ظ͠ͳ͍ਪન͔ͷࢦඪ
   w જࡏۭؒʹ͓͚Δ঎඼ͱϢʔβʔ͕΋ͭڵຯͷຒΊࠐΈදݱͷڑ཭
   <-J
   >
   w ϢʔβʔͷڵຯͷϞσϦϯά
   w աڈʹফඅͨ͠શͯͷ঎඼ͷຒΊࠐΈදݱΛू໿
   <-J
   >
   w աڈʹফඅͨ͠શͯͷ঎඼ΛΫϥελϦϯά
   <ຊ࿦จ>
7. 
   ఏҊɿҙ֎ੑͷ׆ੑؔ਺ͷಋೖ w ๬·͍͠ੑ࣭
   w $POUJOVJUZ
   w #PVOEFEOFTT
   w 6OJNPSEBMJUZ
   w ਫ਼౓ͱͷτϨʔυΦϑͷௐ੔ͷͨΊ
   w 4IPSUUBJMFE
8. ఏҊɿΫϥελϦϯάͷ׆༻ w 0OF
   4JOHMF
   $MPTVSF
   ڵຯͷͳ͍঎඼Λଟؚ͘ΜͰ͠·͏
   w $MVTUFSJOH
   ޮ཰తʹڵຯ͕දݱՄೳ
   ෳ਺ͷڵຯΛදݱՄೳ ੨ɿશΞΠςϜͷຒΊࠐΈɹ
   ੺ɿϢʔβʔ͕ΫϦοΫͨ͠ΞΠςϜͷຒΊࠐΈ
   ྘ɿ৽͍͠ΞΠςϜͷຒΊࠐΈ
9. 
   ఏҊɿ1FSTPOBMJ[BUJPO4FTTJPO৘ใͷ׆༻ w 1FSTPOBMJ[FE
   6OFYQFDUFEOFTT
   w ৽͍͠෺Λଟ͘ফඅ͢ΔΑ͏ͳ୳ݕతͳਓ
   w ࣗ෼ͷڵຯ͋Δ΋ͷΛத৺ʹফඅ͢Δอकతͳਓ
   w 4FTTJPO#BTFE
   6OFYQFDUFEOFTT
   w γϦʔζ෺࡞඼ͷ࿩Λࢹௌͨ͠Ϣʔβʔʹ͸࿩Λਪન͢΂͖
   w Ұ൩ͰγϦʔζ෺ΛҰؾʹݟऴ͑ͨޙ͸৽͍͠࡞඼Λਪન͢΂͖
10. 
    ໨తؔ਺
    ਫ਼౓ͱҙ֎ੑΛߟྀ w S@\V J^
    Ϣʔβʔͷ঎඼ʹର͢ΔDMJDLUISPVHISBUF
    w VOFYQ@\V J^
    ΫϥελϦϯά͞ΕͨຒΊࠐΈΛ༻͍ͨڑ཭
    w VOFYQ@GBDUPS@\V J^
    QFSTPOBMJ[FETFTTJPOCBTFEείΞ
    w G
    ҙ֎ੑͷ׆ੑؔ਺
11. ϕʔε$53༧ଌϞσϧ
12. ҙ֎ੑΛߟྀͨ͠Ϟσϧ
13. ΦϑϥΠϯ࣮ݧઃఆ w ࢦඪ
    w "DDVSBDZ
    .FUSJDT
    "6$
    )3!
    w /PWFMUZ
    .FUSJDT
    6OFYQFDUFEOFTT
    $PWFSBHF
    w ར༻ͨ͠σʔλ
    w :FMQ
    .PWJF-FOT
    "MJCBCB
14. ΦϑϥΠϯ࣮ݧઃఆ w #BTFMJOFT
    $53
    1SFEJDUJPO
    w %*/
    %FFQ
    *OUFSFTU
    /FUXPSL
    <;IPV
    >
    w %FFQ'.
    %FFQ
    'BDUPSJ[BUJPO
    .BDIJOF
    <(VP
    >
    w 8JEF
    
    %FFQ
    8JEF
    /FUXPSL
    BOE
    %FFQ
    /FUXPSL
    GPS
    3FDPNNFOEBUJPO
    <$IFOH
    >
    w 1//
    1SPEVDUCBTFE
    /FVSBM
    /FUXPSL
    <2V
    >
    w #BTFMJOFT
    6OFYQFDUFE
    3FDPNNFOEBUJPO
    w 413
    4FSFOEJQJUPVT
    1FSTPOBMJ[FE
    3BOLJOH
    <-V
    >
    w "VSBMJTU
    -%"CBTFE
    )ZCSJE
    3FDPNNFOEBUJPO
    <;IBOH
    >
    w %11
    %FUFSNJOBOU
    1PJOU
    1SPDFTT
    <$IFO
    >
    w )0.-*/
    )PNPHFOFPVT
    6TFST
    XJUI
    -JOFBS
    %JTUBODF
    <BEBNPQPVMPT
    >
15. ΦϑϥΠϯ࣮ݧ݁Ռ
16. "CMBUJPO
    4UVEZ 7BSJBUJPO
    (BVTTJBO
    "DUJWBUJPO
    7BSJBUJPO
    /P
    "DUJWBUJPO
    7BSJBUJPO
    /P
    6OFYQFDUFE
    'BDUPS
    7BSJBUJPO
    /P
    VOFYQFDUFEOFTT
    7BSJBUJPO
    4JOHMF
    $MPTVSF
    PG
    6TFS
    *OUFSFTUT
17. "#ςετ w :PVLVͰͷ࣮ݧ
    w ࣮ࢪظؒ
    
    w Ϗδωεࢦඪ
    w 77
    7JEFP
    7JFX 
    ҰਓͷϢʔβʔ͋ͨΓͷฏۉࢹௌ਺
    w 54
    5JNF
    4QFOU 
    ҰਓͷϢʔβʔ͋ͨΓͷฏۉࢹௌ࣌ؒ
    w *%
    *NQSFTTJPO
    %FQUI 
    ҰͭͷηογϣϯฏۉJNQSFTTJPO਺
    w $53
    $MJDL5ISPVHI3BUF
    
18. ·ͱΊ w ޮ཰త͔ͭޮՌతʹҙ֎ੑΛ૊ΈࠐΉख๏1634ΛఏҊ
    ৽نੑ
    w ҙ֎ੑʹؔ͢ΔύʔιφϥΠθʔγϣϯΛ࣮ݱ
    w ҙ֎ੑͷܭࢉʹΫϥελ৘ใΛ׆༻
    ৽نੑ
    w ҙ֎ੑͷ׆ੑؔ਺Λ৽ͨʹఏҊ
    ৽نੑ
    w ΦϑϥΠϯΦϯϥΠϯ࣮ݧͰਫ਼౓ɾҙ֎ੑͷվળΛ֬ೝ
    
19. ഑৴ߏ੒ ࢹௌऀ ൃදऀ ;PPN͸ϓϩΞΧ΢ϯτΛऔಘ
    ԁ͘Β͍ ࠷େਓ ແ੍ݶ ࣭ٙԠ౴