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bajji-pitch-0808

6033369bc9e7397ea8e2603550d40a19?s=47 bajji Inc.
August 08, 2019

 bajji-pitch-0808

6033369bc9e7397ea8e2603550d40a19?s=128

bajji Inc.

August 08, 2019
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  1. 1 ࣾձมֵΛଅਐ͢Δ࣍ੈ୅ͷSNSɺbajji גࣜձࣾbajji 

  2. 2 ࢲͨͪ͸ɺ ϒϩοΫνΣʔϯ x SNS bajji (όοδ) Λల։͍ͯ͠·͢

  3. 3 Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ ະདྷΛม͑Δ ਓͱਓͱͷग़ձ͍Λɺ ͍·ͷഒ૿΍͢

  4. 4 bajjiʢόοδʣΛ࢖͑͹࢖͏΄Ͳɺ ະདྷΛม͑Δࣾձมֵਓࡐ͕૿͍͑ͯ͘ ͦΕΛαʔϏεΛ௨࣮ͯ͡ݱ͍ͯ͘͠

  5. 5 Ͳ͏΍ͬͯʁ ͦΕΛTeam bajji͕࣮ݱ͠·͢ શੈքͰ

  6. 6 ͔͜͜Βࢲͨͪ͸ԿΛಘͨͷͩΖ͏͔ʁ

  7. 7 ΑΓܨ͕Γ΍͘͢ͳͬͨʁ ΑΓɺਓͱग़ձ͍΍͘͢ͳͬͨʁ

  8. 8 ؆୯ʹ৘ใΛੈքʹ޿ΊΔ͜ͱ͕Ͱ͖ΔΑ͏ʹͳͬͨʁ

  9. 9 ຊ౰ʹɺศརʹͳΓ·͔ͨ͠ʁ

  10. 10 ଈ࣌ ୯७χʔζ ݟͣ஌Βͣͷਓͷंʹɺ͍͖ͳΓ৐ΕΔΑ͏ʹͳͬͨ

  11. 11 ஌Βͳ͍ਓʹձΘͣʹλεΫ͸པΊΔΑ͏ʹͳͬͨ ଈ࣌ Weeks ୯७χʔζ λεΫ

  12. 12 ଈ࣌ Weeks Months or more? ࣗ෼ʹͱͬͯ৴པ Ͱ͖Δਓɾύʔτφʔ ୯७χʔζ λεΫ

    ҉த໛ࡧɺϊΠζআڈɺ ৘ใ֬ೝɺ৘ใબผɺϦϑΝϥɺ ͳͲͳͲ ຊ౰ʹඞཁͳਓʢࣄʣΛݟ͚ͭΔ·ͰʹϊΠζ͕ᷓΕ͍ͯΔ
  13. 13 ͳͥϊΠζͩΒ͚ͳͷ͔ʁ

  14. 14 ͳͥϊΠζͩΒ͚ͳͷ͔ʁ ແྉͰແ੍ݶ͔ͩΒ ϑΥϩʔ10ສਓ ΞϯνʁϑΝϯʁద౰ʁߪೖʁ

  15. 15 ԯਓ͕εϚϗΛ࢖͏࣌୅ ࣗ෼ʹͱͬͯඞཁͳਓΛݟۃΊΔͷʹɺ ͳͥ͜Ε΄Ͳ͕͔͔࣌ؒΔͷ͔ʁ

  16. 16 ͍·ɺྡʹ͍Δਓͷ͜ͱɺͲΕ͚ͩ஌͍ͬͯ·͔͢ʁ

  17. 17 ৴༻ʹաڈͷ࣮੷ ৴པʹະདྷ΁ͷظ଴ ධՁ ϨʔςΟϯά rating ʮ৴༻ʯσʔλ͸ཷ·͖ͬͯͨ

  18. 18 ৴༻ʹաڈͷ࣮੷ ৴པʹະདྷ΁ͷظ଴ ࣮௚͞ ࢌ͑Δؾ࣋ͪ ظ଴ײ ʮ৴པʯͱ͍͏σʔλ͸ɺͲ͜ʹ΋ͳ͍ ʢ͢΂ͯͷਓͷ৺ͷதʹ͸͋Δʣ

  19. 19 Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ ߦಈ͢ΔਓͷͨΊͷ৽͍͠4/4 ϒϩοΫνΣʔϯٕज़Ͱ ਓͱਓͱͷ৴པΛՄࢹԽ

  20. 20 ৴པʹະདྷ΁ͷظ଴ ࣮௚͞ ࢌ͑Δؾ࣋ͪ ظ଴ײ Badge Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ

    ৴པͱظ଴ͷؾ࣋ͪΛද͢ɺ ੈلͷόοδΛ࡞Γ͍ͨ
  21. 21 ਓͱਓͱͷ৴པΛbajjiͰՄࢹԽ͢Δ͜ͱͰɺ ࣗ෼ʹͱͬͯ৴པͰ͖Δύʔτφʔʹग़ձ͍΍͘͢͠ɺ ࣾձมֵΛՃ଎ͤ͞Δ

  22. 22 ஍ٿͷະདྷΛม͑Δਓͱਓͱͷग़ձ͍Λ ͍·ͷഒ૿΍͢ Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ

  23. 23 ৴པʹະདྷ΁ͷظ଴ ΛͲ͏ՄࢹԽ͢Δ͔ʁ

  24. 24 ͲͷΑ͏ͳਓ͕৴པͨΔਓ͔ʁ

  25. 25 ͲΕ͚ͩਓʹӨڹΛ༩͍͑ͯΔ͔ ࢲͨͪ͸͜͏ߟ͑·͢

  26. 26  ͲΕ͚ͩਓʹӨڹΛ༩͍͑ͯΔ͔ ͲΕ͚ͩਓʹӨڹΛ ٴ΅͍ͯ͠Δ͔ ৴པͷূͷྔ ϦΞϧʹձ͏ ʹ ׆ಈྔ bajjiΛ

    ΋Β͏ bajjiΛ ଃΔ Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ ΤϯΧ΢ϯτ
  27. 27 #MPDLDIBJO ϦΞϧͰձ͍ͬͯΔ࣌Ͱͳ͍ͱࠁΊͳ͍ ϦΞϧʹձ͏ ʹ ׆ಈྔ ΤϯΧ΢ϯτ

  28. 28 ༗ྉɾ༗ݶʹ͢Δ͜ͱͰɺbajjiΛ৴པͷγϯϘϧʹ ແྉͰແ੍ݶ ϑΥϩʔ10ສਓ ΞϯνʁϑΝϯʁద౰ʁߪೖʁ ༗ྉͰ༗ݶ

  29. 29 ʮݶΒΕͨʯ Λ୭ʹଃΔ͔ɾɾɾ #MPDLDIBJO bajjiΛ ΋Β͏ bajjiΛ ଃΔ

  30. 30 ̍ͭ̍ͭͷ׆ಈΛϒϩοΫνΣʔϯʹࠁΉ ΤϯΧ΢ϯτ ϦΞϧʹձ͏ bajjiΛଃΔ bajjiΛ ΋Β͏ bajji score #MPDLDIBJO

    bsi = ∑ l we ij + ∑ m ˜ wim + ∑ n ˜ wni ͔ͦ͜Β৴པΛείΞԽ
  31. 31 bajji scoreʢ৴པείΞʣͷࢉग़ํ๏΋ެ։ bsi = ∑ l we ij +

    ∑ m ˜ wim + ∑ n ˜ wni ˜ wb ij = ∑ k wb ijk ˜ we ij = λe ij ⋅ ∑ k we ijk wb ijk = μk ⋅ λb ij we ijk = min ( 1, δe ijk 30 ) λb ijk = exp (ln(CPy ⋅ 365 / δb ijk ) ⋅ (1 − γij ) ⋅ Δγ) − 1 λe ij = exp (ln(CPy ⋅ 365 / δe ij ) ⋅ (1 − γe) ⋅ Δγ) − 1 μk = { ln(priceb k ) (if 0 < priceb k AND bk is sent) priceb k (if 0 < priceb k AND bk is received) γij = { σij (1 / rsij ) (if CPd < δb k ) 0 (otherwise) δb ijk = ⌊ tcurrent − tb ijk 86400 ⌋ − CPd (if 0 < δb k ) 1 (otherwise) δe ij = ⌊ tcurrent − te ij 86400 ⌋ − CPd (if 0 < δe ij ) 1 (otherwise) δe ijk = ⌊ te ijk − te ij(k−1) 86400 ⌋ (if 1 < k) ⌊ tcurrent − te ijk 86400 ⌋ (otherwise) rsij = ̂ εij + B ⋅ ̂ kij δe ij σij (x) = tanh ( x x + 1 ) bsi : bajji score of Ai (Ai : accounti ) rsij : relationship score between Ai and Aj B : bajji constant (B = 8.8) CPy : bajji critical point year (CPy = B) CPd : bajji critical point date (CPd = 10B) Δγ : Aging correction (Δγ = B/1,000) ̂ uεi : Number of encounters between Ai and unique users ̂ ug i : Number of bajjis sent from Ai to unique users ̂ uri : Number of bajjis received by Ai from unique users ̂ εi : Number of encounters between Ai and users ̂ gi : Number of bajjis sent from Ai to users ̂ ri : Number of bajjis received by Ai from users ˜ wij : Sum of the value of the bajji sent from Ai to Aj wijk : Value of the bajjik sent from Ai to Aj priceb k : Price of the bajjik tcurrent : Current datetime [sec] ̂ εij : Number of encounter between Ai and Aj ̂ kij : Number of bajji send Ai to Aj tb k : Datetime of the bajjik sent and received [sec] te ij : Datetime of the last encounter between Ai and Aj [sec] γe : Aging rate of encounter (γe = 0.0) γij : Aging rate between Ai and Aj δb k : Difference of days since the bajjik sent and received between Ai and Aj δe ij : Difference of days since the last encountered between Ai and Aj
  32. 32 bajji͸ʮߪೖͯ͠ʯɺଃΔ

  33. 33 bajji͸ɺΪϑτΛΞοϓσʔτ͠·͢ ຊਓ͕ग़අ ଃΒΕͨ͜ͱ͸ɺ ౰ਓ͔ͨͪ͠஌Βͳ͍ ຊਓ͕ग़අ ଃΒΕͨͱ͍͏৴པ͕ ੈքͰγΣΞ͞ΕΔ ཉ͘͠ͳ͍΋ͷΛ ΋Β͏͕࣌͋Δʜ

    δϟϚʹͳΒͳ͍ଃΓ෺ ΪϑτϓϨθϯτ ͝͸ΜΛᇋΔ͓தݩ CBKKJΛߪೖ͠ɺଃΔ Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ
  34. 34 ͲΜͳbajjiͰɺਓͷ৴པΛՄࢹԽ͢Δ͔ɾɾɾʁ

  35. 35 ͜ͷਓͷࢤʹײ෰

  36. 36 +PCTͷ࠶དྷͱࢥ͑Δ ΠϊϕʔςΟϒͳΞΠσΞΛ ࣋ͭਓ

  37. 37 ͦͷλϑ͕͞ᚶ͍͠

  38. 38 ࢲ͡Όಀ͛ग़ͯͨ͠ )"3%5)*/(4

  39. 39 ͳΜͯɺඒ͍͠ίʔυΛ ॻ͘Μͩʂ ͓·͑͸ɾɾɾ

  40. 40 ͓લͳΒɺͲ͏ʹ͔ͯ͘͠ΕΔ

  41. 41 ͓લͷ4".63"* εϐϦοπΛ ିͯ͘͠Εʂ

  42. 42 bajji͸༗ྉͰɺ༗ݶ

  43. :06 43 ͜ΜͳbajjiΛ΋Β͍ͬͯΔਓʹ ձ͍ͨ͘ͳΓ·ͤΜ͔ʁ

  44. 44 CBKKJചΓ্͛ͷҰ෦͸ɺείΞ͕ߴ͍ʮࣾձมֵऀʯ ʹϦϫʔυͱͯ͠෼഑ Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ CBKKJΛ ଃΔ גࣜձࣾbajji

    CBKKJΛߪೖ ʢҰ෦ແྉʣ bajjiείΞ͕ ߴ͍ॱʹϦϫʔυ෼഑ = =
  45. 45 Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ Ϋϥ΢υϑΝϯσΟϯάΛΞοϓσʔτ ϓϩδΣΫτΛެ։ ࠷ॳʹϑΝϯσΟϯά ৽͍࣌͠୅Λ͍͖Δ ੜ͖ͨ݁ՌʹԠͨ͡είΞ

    Ͱ͖Δ͔Ͳ͏͔͸ɺӡӦ೚ͤ είΞͱ͍͏݁ՌࢦඪͰ ϑΝϯυγΣΞϦϯά Ϋϥ΢υϑΝϯσΟϯάɺ *$0
  46. 46 Πϊϕʔλʔͷ׆ಈΛΞοϓσʔτ Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ ͋ͳͨͷΠϊϕʔγϣϯͷҰาҰาΛɺ ࣮֬ʹੵΈॏͶ·͢

  47. 47 Ϊϑτ $$ Ϋϥ΢υιʔγϯά ϒϩοΫνΣʔϯ ΠϯηϯςΟϒ bajji Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ

    ࣮ݱੑ ஹԁࢢ৔ ԯԁ ʢ֦େதʣ ֵ໋ͱ ݴΘΕ͍ͯΔ bajjiͷજࡏࢢ৔͸਺ઍԯԁن໛ʢ೔ຊͷΈͰʣ
  48. 48 Ϗδϣϯ ࢢ৔ ΦϦδφϦςΟ ࣮ݱੑ ਓޱɿԯਓ ωοτɿ ສਓ &$ɺνϟοτɿ ສਓ

    4/4ɿ ສਓ ίʔϫʔΧʔ ϑϦʔϥϯεɾىۀՈ ελʔτΞοϓϝϯόʔ ΠϯϑϧΤϯαʔ ೥ ೥ʙ೥ ೥ʙ೥ bajji͸ࣗΒಈ͘ਓ͕λʔήοτ
  49. 49 bajji.life ͋ͳͨͷΠϊϕʔγϣϯΛɺՃ଎͍ͤͨ͞