コーディネート整合性を考慮したカテゴリ間推薦

Transcript

1. ίʔσΟωʔτ੔߹ੑΛ
 ߟྀͨ͠ΧςΰϦؒਪન ਅ໦
   ༐ਓ
 ελʔττΡσΠݚڀॴ presented in CCSE at ໌࣏େֶ on

   2018.07.01

2. ϑΝογϣϯʹ͓͚ΔਪનγεςϜ 2 өը Իָ χϡʔε ॻ੶ ϑΝογϣϯ ΞΠςϜ͸̍ͭͣͭݸผʹར༻͞ΕΔ ΞΠςϜ͸ෳ਺ಉ࣌ʹར༻͞ΕΔ
   

   ΞΠςϜಉ࢜ͷ૬ੑͷ໰୊͕ൃੜ ෰ͷʮ૊Έ߹Θͤͷྑ͞ʯΛ
 ίʔσΟωʔτͷ੔߹ੑ
   DPNQBUJCJMJUZ
   ͱݺͿ

3. ΧςΰϦؒͷਪન 3 ΧςΰϦ
   "
   ͷΞΠςϜ ΧςΰϦ
   #
   ͷΞΠςϜ ΧςΰϦؒਪન
 γεςϜ ೖྗ ग़ྗ

   ྫ τοϓε ྫ
   ϘτϜε ίʔσΟωʔτͷ੔߹ੑ͕ߴ͍ਪનΛ͍ͨ͠

4. ઌ
   ߦ
   ݚ
   ڀ

5. 5 ΧςΰϦؒਪનͷ̎εςοϓ 
   ಛ௃நग़εςοϓ ಛ௃நग़ث ಛ௃நग़ث 
   ۙ๣୳ࡧεςοϓ ڞ௨ͷۭؒ΁ ຒΊࠐΉ ಛ௃ϕΫτϧ ಛ௃நग़ث

   ಛ௃ϕΫτϧ ೖྗΫΤϦ Ұ൪͍ۙ
 ΞΠςϜΛग़ྗ ΞΠςϜը૾

6. 4JBNFTF
   $//ʹΑΔಛ௃நग़ 6 4JBNFTF
   $//
   
   ύϥϝλΛڞ༗ͨ̎ͭ͠ͷ$// $// $// ಛ௃ϕΫτϧ 4JBNFTF
   $// $POUSBTUJWF
 ଛࣦ $POUSBTUJWF
   ଛࣦ

   [Bromley+, ’94] [Veit+, ’15] ೖྗ͕ਖ਼ྫͷ৔߹ɺϖΞ͕ۙͮ͘Α͏ʹֶश ෛྫͷ৔߹ɺϖΞ͕ԕ͔͟ΔΑ͏ʹֶश xi xj ∥xi − xj ∥2 max(0,m − ∥xi − xj ∥2 ) m : ϋΠύʔύϥϝλ

7. .JYUVSFPG&YQFSUʹΑΔॊೈͳਪન 7 ίʔσΟωʔτʹ͸ෳ਺ͷʮྑ͞ʯ͕͋Δ
    ෳ਺ͷϞσϧΛֶश .JYUVSF
   PG
   &YQFSUT ϚϋϥϊϏεڑ཭ [He+, ’16] xi

   xj γάϞΠυ
 ؔ਺ (xi xj)> M (xi xj) <latexit sha1_base64="Tl21jfMN4QyHTFwXcefcHVg0v3A=">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</latexit> <latexit sha1_base64="Tl21jfMN4QyHTFwXcefcHVg0v3A=">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</latexit> <latexit sha1_base64="Tl21jfMN4QyHTFwXcefcHVg0v3A=">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</latexit> <latexit sha1_base64="Tl21jfMN4QyHTFwXcefcHVg0v3A=">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</latexit> ϚϋϥϊϏεڑ཭ ϚϋϥϊϏεڑ཭ ιϑτϚοΫε ɾ
 ɾ ɾ ಛ௃ϕΫτϧ

8. ໰
   ୊
   ఺ 8 w ख๏ʹؔ͢Δվળ͸৭ʑɾɾɾ
   w σʔληοτͷ໰୊
    "NB[POಉ࣌ߪೖσʔληοτ
    ಉ࣌ʹߪೖ͞ΕͨʹίʔσΟωʔτ੔߹ੑ͕ߴ͍ͱΈͳ͢

   "NB[POಉ࣌ߪೖσʔλͷ໰୊఺
   w ಉ࣌ߪೖ͞ΕͨΞΠςϜ
   
   ίʔσΟωʔτͱͯ͠ ಉ࣌ண༻͞ΕΔΞΠςϜ
   w ͓͠ΌΕʹؔ৺ͷແ͍Ϣʔβͷํ͕ଟ͍
   w ߪೖͨ͠ΞΠςϜ
   
   ண༻͍ͨ͠ΞΠςϜ

9. ϑΝογϣϯ4/4ͷσʔλ 9 w*20/
    ສϢʔβͷϑΝογϣϯ4/4
    Ϣʔβ͕෰ͷը૾Λ૊Έ߹ΘͤͯίʔσΟωʔ τΛ࡞੒ɺ౤ߘ ౤ߘͷྫ

10. *20/σʔλͷར఺ 10 w ʢಉ࣌ߪೖ౳Ͱ͸ͳ͘ʣίʔσΟωʔτͱ ͯ͠ಉ࣌ண༻Λ૝ఆͨ͠ը૾ηοτ
    w ΦγϟϨʹؔ৺ͷ͋ΔϢʔβʔ͕࡞੒
    w ʮങͬͨ෰ʯͰ͸ͳ͘ʮண͍ͨ෰ʯΛ൓ө
    

11. ࣮ɹݧ

12. ࣮ݧઃఆ 12 ಛ௃நग़ωοτϫʔΫ *ODFQUJPO
    7 ଛࣦؔ਺ $POUSBTUJWFଛࣦ ॳظ஋ ֶशࡁΈ෺ମೝࣝϞσϧ ݕࡧʹ༻͍Δ
 ಛ௃ϕΫτϧͷ࣍ݩ

     ਖ਼ྫσʔλ *20/ͰίʔσΟωʔτͱͯ͠౤ߘ ͞ΕͨΞΠςϜϖΞ ෛྫσʔλ *20/ͰίʔσΟωʔτͱͯ͠౤ߘ ͞Εͳ͔ͬͨΞΠςϜϖΞ

13. 13 ݁
    Ռ ֶशલ ΤϙοΫ
 ֶशޙ ֶशલ ΤϙοΫ
 ֶशޙ τοϓε
    UP
    ϘτϜε

14. 14 ݁
    Ռ ֶशલ ΤϙοΫ
 ֶशޙ ֶशલ ΤϙοΫ
 ֶशޙ τοϓε
    UP
    όοά ֶशલͷϞσϧ͸෺ମೝࣝͰ܇࿅͞Ε͍ͯΔͨΊɺݟͨ໨͕ࣅ͍ͯΔΞΠςϜ

    Λਪન͢Δ܏޲ʹ͋Δ

15. ·ͱΊ 15 ໨త ίʔσΟωʔτ੔߹ੑͷߴ͍ΧςΰϦؒਪન ख๏ $//ʹΑΔಛ௃நग़ͱ$POUSBTUJWFଛࣦʹΑΔɺ ϖΞը૾ͷڞ௨ۭؒ΁ͷຒΊࠐΈ ݁Ռ ༧උ࣮ݧͷ݁ՌɺֶशʹΑͬͯίʔσΟωʔτ੔ ߹ੑΛֶशՄೳͳ͜ͱ͕෼͔ͬͨɻ
    

    ݱࡏɺϞσϧͷ࡮৽ʹऔΓ૊ΜͰ͍Δɻ