推薦システムと多目的最適化

推薦システムと多目的最適化の紹介

Transcript

1. ਪનγεςϜͱଟ໨త࠷దԽ
   !ίωώτϚϧγΣ0/-*/&
    4FLJOF
   )JSPUP
2. ࣗݾ঺հ w ؔࠜ༟ਓ 4FLJOF
   )JSPUP
   ▪︎ 5XJUUFS
   !OEOUP
   ▪︎ (JUIVC
   !IJSPUP
   w 8BOUFEMZͰσʔλαΠΤϯςΟετ
   
   ▪︎ ओʹσʔλ෼ੳɾਪનγεςϜͷϥϯΩϯά࡞੒
   w େֶ࣌୅
   ݻ༗දݱநग़ͷݚڀ
3. ԿΛ࿩͔͢ʁ w ଟ໨త࠷దԽΛਪનγεςϜͰߦ͍͍ͨϞνϕʔγϣϯ
   w ύϨʔτ࠷దʹ͍ͭͯ
   w ଟ໨త࠷దԽΛ༻͍ͨਪનγεςϜͷ࿦จ঺հ
4. ʮؔ࿈ੑʯͱʮଟ༷ੑʯ͸τϨʔυΦϑͷؔ܎ʹ͋Δ ଟ໨త࠷దԽ΁ͷϞνϕʔγϣϯ w ؔ࿈ੑͷߴ͍ΞΠςϜ͹͔ΓΛ্Ґʹ࣋ͬͯ͘Δͱɺ ࣅͨΑ͏ͳΞΠςϜ͹͔Γ͕ొ৔ͯ͠͠·͏ɻ
   w ଟ༷ੑͷߴ͍ΞΠςϜΛ্Ґʹ࣋ͬͯ͘ΔͱɺϢʔβʔ ͕ڵຯͷͳ͍ΞΠςϜ্͕Ґʹొ৔ͯ͠͠·͏ɻ Ҏલॻ͍ͨϒϩάهࣄ
   
   IUUQTXXXXBOUFEMZDPNDPNQBOJFTXBOUFEMZQPTU@BSUJDMFT
   ଟ໨త࠷దԽ ؔ࿈ੑΛͰ͖Δ͚ͩԼ͛ͣʹଟ༷ੑΛ্͛ΒΕͳ͍͔ʁ
5. ਪનγεςϜͱଟ໨త࠷దԽ w #FZPOE
   "DDVSBDZ
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   3FDPNNFOEFS
   4ZTUFNT
   CZ
   $PWFSBHF
   BOE
   4FSFOEJQJUZ
   ▪︎ $PWFSBHF
   /PWFMUZ
   4FSFOEJQJUZͳͲͷࢦඪ
   w ϚʔέοτϓϨΠεશମͷ࠷దԽ
   
   ▪︎ ,%%ͷ5VUPSJBMͰ4QPUJGZ͕ൃද͍ͯ͠Δɻ
   ▪︎ ෳ਺ͷεςʔΫϗϧμʔ͕͍Δ͜ͱΛ૝ఆ
   FUD
   6CFS
   &BUT
   "JSCOC
   w $53Ҏ֎ʹΑΔ࠷దԽ
   ▪︎ :PVUVCF͸ΫϦοΫ཰͔Βࢹௌ࣌ؒΛ༧ଌ͢ΔϞσϧʹมߋ
   ▪︎ 0CKFDUJWFؒʹਖ਼ͷ૬ؔؔ܎͕͋Δ৔߹ͲͪΒ͔Λ࠷దԽ͢Ε͹ྑ͍͕ɺେମͷ 0CKFDUJWFಉ࢜͸τϨʔυΦϑͷؔ܎ʹ͋Δ "
   1BSFUP&pDJFOU
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6. ύϨʔτ࠷ద
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   w ยํΛ٘ਜ਼ʹ͠ͳ͚Ε͹ɺ΋͏ยํͷࢦ ඪ͕Α͘ͳΒͳ͍ঢ়ଶͷ͜ͱΛύϨʔτ ࠷దͱݺͿɻ
   ▪︎ " # $͸ͦΕͧΕύϨʔτ࠷దͳ఺Ͱ͋Δɻ 4FSWJDFTΛ޲্ͤ͞Α͏ͱͨ͠Βɺ(PPET͸Լ͕ͬ ͯ͠·͏ɻ
   ▪︎ %͸ύϨʔτ࠷దͳ఺Ͱ͸ͳ͍ɻ(PPETΛԼ͛ͳ͘ ͯ΋ɺ4FSWJDFTΛ޲্ͤ͞Δ͜ͱ͕Ͱ͖Δɻ IUUQTXXXFDPOPNJDTIFMQPSHCMPHHMPTTBSZQBSFUPF⒏DJFODZ
   ΑΓ
7. ύϨʔτ࠷ద
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   FGpDJFODZ
   w ࿦จͷධՁͰ΋ύϨʔτ࠷దͷߟ͑ํ͕࢖༻ ͞ΕΔɻ
   ▪︎ ϕʔεϥΠϯ ࢵ ͔ΒݟͨΒɺ/%$(ΛԼ͛ͣʹ( /%$(Λ޲্ͤ͞ΒΕΔϞσϧ͕ଘࡏ͢Δɻ
   ▪︎ ఏҊख๏ ੺ ͕ύϨʔτ࠷దͰ͋ΓɺτϨʔυΦϑΛղ ܾͰ͖Δྑ͍ϞσϧͰ͋Δɻ "
   1BSFUP&pDJFOU
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   9͕࣠૯঎඼ྔͷ/%$(
   :͕࣠ΫϦοΫ཰ͷ/%$(Λ͍ࣔͯ͠Δɻ
8. w $MJDL
   4IBQJOH
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   0CKFDUJWFT
   "HBSXBM
   FU
   BM
   
   w Ϟνϕʔγϣϯ
   ▪︎ :BIPPʹ͓͚Δτοϓϖʔδʹ͓͘ίϯςϯπ͸ɺͦͷޙͷϢʔβʔͷߦಈ΋ࠨӈ͢Δɻ
   ▪︎ ίϯςϯπʹର͢ΔΫϦοΫ͸Ϣʔβʔͷߦಈͷମݧͷग़ൃ఺ʹ͗ͣ͢ɺ࣮ࡍͷফඅ࣌ؒ΍ऩӹͳͲͷ %PXO4USFBNΛ࠷େԽ͍ͨ͠ɻ
   ˠ
   ଟ໨త࠷దԽ
   w ߦΘΕ͍ͯΔ͜ͱ
   ▪︎ ੍໿෇͖࠷దԽख๏ͷ໰୊ͱͯ͠ఆࣜԽ ଟ໨త࠷దԽͱਪનγεςϜͷ࣮ྫ
9. 4DBMBSJ[FE
   .VMUJ0CKFDUJWF
   1SPHSBN w 5PUBM$MJDL਺ͱɺ%PXOTUSFBNͷॏΈ͚ͮ࿨ΛͱΓɺҰͭͷ0CKFDUJWFͱͯ͠ѻ ͏ख๏ɻ
   ▪︎ Е͸͔Βͷ஋ΛͱΓɺЕ͕খ͍͞΄Ͳ%PXOTUSFBNͷࢦඪΛॏཁࢹ͢Δɻ
   ▪︎ ύϨʔτ࠷దͳղΛ఺Λௐ΂͍ͯΔΘ͚Ͱ͸ͳ͘ɺͦͷղΑΓ΋ύϨʔτ࠷దͳղ͕ଘࡏ͢ΔՄೳੑ͕ ͋Δɻ
   ▪︎ ෳ਺ͷ%PXOTUSFBNࢦඪΛվળ͍ͨ͠৔߹͸ෳࡶʹͳΔɻ
10. ৚݅෇͖࠷దԽΛ༻͍ͨղ๏ w 5PUBM$MJDLT਺͕Ͳ͜·ͰԼ͕͍͍͔ͬͯΛܾఆͯ͠ɺ ͦͷதͰ%PXOTUSFBNΛ࠷େԽ͢ΔΑ͏ʹֶश͢Δɻ
    ▪︎ ໨తؔ਺ͱ੍໿৚݅ΛઢܗͰදͤΕ͹ɺઢܗܭը໰୊ͷ࿮૊ΈͰղ͘ ͜ͱ͕Ͱ͖Δɻ
    ▪︎ ڐ༰Ͱ͖ΔϥΠϯΛܾΊΕ͹ྑ͍ͷͰɺϏδωεʹԠ༻͠΍͍͢ɻ
    ▪︎ ৚݅͸૿͑ͯ΋ಉ༷ʹղ͘͜ͱ͕Ͱ͖Δɻ
11. ଟ໨త࠷దԽͷղ๏ w ઢܗॏΈ෇͚࿨
    4DBMBSJ[FE
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    w ৚݅෇͖࠷దԽ
    $POTUSBJOFE
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    ▪︎ ࣍ܭը໰୊
    0CKFDUJWF͕࣍ɺͦΕҎ֎͕ઢܗͷ৚݅Ͱॻ͔Ε͍ͯΔ໰୊
    w ϥάϥϯδϡ૒ରɾ,,5৚݅
    ʜ
    ▪︎ ඇઢܗܭը໰୊
    ͦͷଞͷ໰୊
    w ਐԽܭࢉͳͲͰղ͍͍ͯΔ࿦จ΋͋ͬͨɻ
12. ·ͱΊɾײ૝ w ࣮ࡍʹಇ͍ͯΈͯɺۀ຿ʹ͸τϨʔυΦϑͷ໰୊͕෇͖వ͏͜ͱΛ࣮ײ͍ͯ͠ ΔɻͦͷτϨʔυΦϑΛ͍͍ײ͡ʹղܾ͢ΔͨΊʹ.-͕࢖༻Ͱ͖ΔͷͰ͸ͳ͍ ͔ͱߟ͍͑ͯΔɻ
    w ΞϓϦέʔγϣϯʹΑͬͯ࠷దԽ͍ͨ͠PCKFDUJWF͸ҟͳΔɻࣗ෼ͷΞϓϦέʔ γϣϯʹ͋ͬͨ࠷దԽΛߦ͍͍ͨɻ
13. Ҿ༻ w IUUQTCMPHZPVUVCFOFXTBOEFWFOUTZPVUVCFOPXXIZXFGPDVTPOXBUDIUJNF
    w IUUQTFOHVCFSDPNVCFSFBUTSFDPNNFOEJOHNBSLFUQMBDF
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    w 9JBP
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