UGCプラットフォームの難しさをモデル化する / Modeling the Difficulties of UGC Platforms

by cc4966

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pixiv Inc. UGCϓϥοτϑΥʔϜͷ ೉͠͞ΛϞσϧԽ͢Δ @rokuroku

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Profile rokuroku ςοΫϦʔυ ത࢜ʢ৘ใՊֶʣ XΞΧ΢ϯτ: @496_ pixivࣄۀຊ෦ খઆϚϯΨඦՊ෦ ॎॻ͖ΤσΟλ։ൃͱΞχϝ͕झຯ

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ϓϩμΫτ(։ൃ) ೉͍͠

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ࢲͨͪ͸೔ʑͷαʔϏε։ൃ΍ίϛϡχςΟӡӦͷதͰ༷ʑͳ ࠔ೉ʹ௚໘͍ͯ͠·͢ɻ͜͏ͨ͠೉͠͞͸͍͍ͬͨͲ͔͜Βདྷ ΔͷͰ͠ΐ͏ɻ͜ͷൃදͰ͸ҙࢥܾఆ΍Մ؍ଌੑͱ͍͏ϫʔυ Λ࣠ʹ͜ͷ೉͠͞ΛݴޠԽ͠·͢ɻͦ͏ͯ͠ʮϓϩμΫτʯશ ମΛ૊৫ઃܭ͔Β੾Γ཭ͯ͠၆ᛌ͢Δࢹ఺Λఏࣔ͠·͢ɻ ൃද֓ཁ

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Ξ΢τϥΠϯ 1.ҙࢥܾఆͷ͸ͳ͠ 2.Մ؍ଌੑ (Observability) ͷ͸ͳ͠ 3.ϞσϧԽͷ͸ͳ͠ 4.۩ମྫ 5.·ͱΊ

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ҙࢥܾఆ

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͍Ζ͍Ζͳҙࢥܾఆ ● ࢪࡦͷܾࡋ ● Ϣʔβʔαϙʔτͷํ਑ܾఆ ● ػೳ࣮૷Ͱͷٕज़બ୒ ● etc… ※͜ͷൃදͰ͸۩ମతͳҙࢥܾఆͷ࿩͸͠·ͤΜ

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ҙࢥ

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͍Ζ͍Ζͳҙࢥ ● ऩӹΛվળ͍ͨ͠ ● ϢʔβʔΛ૿΍͍ͨ͠ ● ػೳΛ࢖͍΍͍ͨ͘͢͠ ● etc...

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● ͓ۚͷ੍໿Λߟ͍͑ͯͳ͍ ● ࣌ؒͷ੍໿Λߟ͍͑ͯͳ͍ ● ೳྗͷ੍໿Λߟ͍͑ͯͳ͍ ● etc… ϓϩμΫτ։ൃ͸ͦ͏ͨ͠ҙࢥΛݱ࣮ʹ͢Δ͜ͱ ҙࢥͦͷ΋ͷ͸ເʹ͍ۙ

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ҙࢥΛ࣮ݱ͢Δ

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● اըͷ࣮ࢪ ● ػೳͷ௥Ճɾվम ● Ϣʔβʔαϙʔτͷ޲্ ● etc... ϓϩμΫτ։ൃʹҙࢥΛ࣮ݱ͢Δ

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● اըͷ࣮ࢪ ● ػೳͷ௥Ճɾվम ● Ϣʔβʔαϙʔτͷ޲্ ● etc... ϓϩμΫτ։ൃʹҙࢥΛ࣮ݱ͢Δ

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࢓༷

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࢓༷ͱ͸ ● ເͰ͸ͳ͍ ● ݱ࣮ͷ੍໿ΛΫϦΞ͢Δ΋ͷ ● ղऍͷ༨஍Λඞཁ࠷খݶʹͨ͠΋ͷ ● etc...

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ҙࢥܾఆͱ͸ ҙࢥΛ࣮ݱ͢ΔͨΊʹ࢓༷ΛܾΊ͍ͯ͘ߦҝ ● ϓϩμΫτʹ൓өՄೳͳ΋ͷʹམͱ͠ࠐΉ͜ͱ ● ੔߹ੑΛऔͬͨΓɺ߆ଋ৚݅Λ༩͑Δ͜ͱ

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ҙࢥܾఆ

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ҙࢥܾఆ ܁Γฦ͢ͱ࢓༷΍ιϑ τ΢ΣΞ͕Ͱ্͖͕Δ

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ܾΊΔ

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ҙࢥܾఆʹܾΊΔ ● ࣮ࢪ͢Δʗ͠ͳ͍ ● Aʹ͢ΔʗBʹ͢Δ ● CΛ΍Βͳ͍ ● etc… ࢓༷͚ͩͰ͸ͳ͘ɺاը΍ϢʔβʔαϙʔτͰ΋ಉ͜͡ͱ

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ҙࢥܾఆͷ೉͠͞

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1. ҙࢥܾఆ͕ഁյతͳߦҝͰ͋Δ͜ͱ

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1. ҙࢥܾఆ͕ഁյతͳߦҝͰ͋Δ͜ͱ ࣮ݱෆՄೳɺ ৘ใ఻ୡͷϩε

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1. ҙࢥܾఆ͕ഁյతͳߦҝͰ͋Δ͜ͱ ࣮ݱෆՄೳɺ ৘ใ఻ୡͷϩε ຊ࣭͔΋ʁ

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2. ҙࢥʹ͸ଟ͘ͷഎܠ৘ใ͕ଘࡏ͢Δ͜ͱ

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2. ҙࢥʹ͸ଟ͘ͷഎܠ৘ใ͕ଘࡏ͢Δ͜ͱ ҙࢥ͕౷ҰͰ͖ͳ͍ͱ ίϛϡχέʔγϣϯ͕ഁ୼͢Δ

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ҙࢥܾఆΛ࢒͢

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ҙࢥܾఆΛ࢒ͦ͏ ● ҙࢥܾఆͨ͠಺༰΁ͷΞΫηεੑ্͕͕Δ ● ݴޠԽ͢Δ͜ͱͰԿΛܾΊͨͷ͔͕໌֬ʹͳΔ ҙࢥܾఆʹ͸ʮࠓʯͱ͍͏ڧ͍؀ڥཁҼ͕࡞༻͢ΔͷͰɺ ݁࿦Ҏ֎΋ҙࣝతʹ࢒͞ͳ͍ͱࢥ͍ඳ͍͍ͯͨҙࢥΛݟࣦ͏

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Ξ΢τϥΠϯ 1.ҙࢥܾఆͷ͸ͳ͠ 2.Մ؍ଌੑͷ͸ͳ͠ 3.ϞσϧԽͷ͸ͳ͠ 4.۩ମྫ 5.·ͱΊ ҙࢥΛݱ࣮ʹམͱ͠ࠐΉ޻ఔ

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Մ؍ଌੑ (Observability)

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Մ؍ଌੑ (Observability) ͱ͸ ● ੍ޚཧ࿦ͷ෼໺Ͱ༻͍ΒΕ͖ͯͨ֓೦ ○ ࠷ۙ͸ιϑτ΢ΣΞ։ൃʹ΋औΓೖΕΒΕ࢝Ίͨ ● ର৅ͷ؍ଌ͔Βඞཁͳ಺෦ঢ়ଶ͕Θ͔Δ͜ͱ ○ ର৅Λख़஌͠ɺͦ͏͍͏ઃܭʹͰ͖͍ͯΔ͜ͱ

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Մ؍ଌੑͷॏཁੑ Մ؍ଌੑ͕ͳ͍ͱ͍͏͜ͱ͸ҎԼͷ͍ͣΕ͔ ● ϓϩμΫτͷߏ଄Λཧղ͍ͯ͠ͳ͍ ● ඞཁͳ৘ใ͕औΕͳ͍ߏ଄ʹͳ͍ͬͯΔ

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Մ؍ଌੑͷॏཁੑ Մ؍ଌੑ͕ͳ͍ͱ͍͏͜ͱ͸ҎԼͷ͍ͣΕ͔ ● ϓϩμΫτͷߏ଄Λཧղ͍ͯ͠ͳ͍ ● ඞཁͳ৘ใ͕औΕͳ͍ߏ଄ʹͳ͍ͬͯΔ ͭ·Γʮਖ਼͍ࣗ͠ݾධՁʯʮՁ஋ͷ͋Δ։ൃʯʮҙຯͷ͋Δ ༧ଌʯͱ͍ͬͨ΋ͷ͕ࠔ೉ͳঢ়گ

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Մ؍ଌੑΛ֬อ͢Δ Լهͷঢ়ଶΛҡ࣋Ͱ͖Δମ੍͕ඞཁ ● ϓϩμΫτͷߏ଄Λཧղ͍ͯ͠Δ ● ඞཁͳηϯαʔΛઃஔͯ͠؍ଌ͍ͯ͠Δ

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UGCͰͷՄ؍ଌੑͷ֬ อͷ೉͠͞

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UGC User Generated ContentsͷུɺϢʔβʔੜ੒ίϯςϯπ pixiv΋UGCαʔϏεͷͻͱͭ

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UGC

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Ձ஋ͦͷ΋ͷΛఏڙ͍ͯ͠ͳ͍ Ձ஋͸զʑͷखݩͰ͸ͳ͘ɺϢʔβʔͷଆʢੈքʣʹ͋Δ ● Ϣʔβʔ͕ԿΛ࡞Δ͔ ● Ϣʔβʔ͕ԿʹՁ஋Λײ͡Δ͔ ● ্ه͕Ϣʔβʔಉ࢜ͷ૬ޓ࡞༻ʹΑͬͯಈ͘ ׬શʹ੍ޚ͢Δ͜ͱ͸Ͱ͖ͳ͍͠ɺ؍ଌͷఆٛ͢Β೉͍͠

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؍ଌମ੍ΛͲ͏ߏங͢Δ͔ ϢʔβʔͱίϛϡχέʔγϣϯΛ͢Δ ● ϢʔβʔʹΞΫγϣϯΛͯ͠ɺͦͷϦΞΫγϣϯΛݟΔ ● Կ΋͠ͳ͍ঢ়ଶͰಘΒΕΔ৘ใ͸͍ͭ΋ಉ͡

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ϦϦʔεαΠΫϧΛճ͢

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ϦϦʔεαΠΫϧΛճͦ͏ ద੾ͳϦϦʔεΛܧଓతʹߦ͏ͷ͕ྑ͍ ● ϦϦʔε͸جຊతʹϓϩμΫτΛΑ͘͢Δ ● ϦϦʔεͷ൓Ԡ͔ΒϢʔβʔͷཧղ͕ਂ·Δ

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Ξ΢τϥΠϯ 1.ҙࢥܾఆͱ͸ɺҙࢥΛݱ࣮ʹམͱ͠ࠐΉ޻ఔ 2.Մ؍ଌੑͷ͸ͳ͠ 3.ϞσϧԽͷ͸ͳ͠ 4.۩ମྫ 5.·ͱΊ ߏ଄Λཧղͯ͠؍ଌͰ͖Δ͜ͱ

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ϞσϧԽ

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ϞσϧԽͱ͸ ର৅ͷओͳཁૉΛத৺ʹߏ଄Λ੔ཧͯ͠ɺෳࡶͳ΋ͷཧղɾ ೺ѲͰ͖ΔΑ͏ʹ͢Δ΋ͷͰ͢

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ҙࢥܾఆ

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Մ؍ଌੑ

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ҙࢥܾఆͱՄ؍ଌੑͷϞσϧԽ ● ҙࢥͷ۩ମԽͷεςοϓʢॎํ޲ʣ ● ந৅౓ʹԠͨ͡؍ଌମ੍ʢԣํ޲ʣ

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ϓϩμΫτશମͷϞσϧԽ

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ϓϩμΫτશମͷϞσϧԽ

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ϓϩμΫτશମͷϞσϧԽ

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Մ؍ଌੑͷ֬อ

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Մ؍ଌੑΛͲ͏֬อ͢Δ͔ ҎԼΛܭଌ͠ɺ݁Ռͷҙຯ͢Δͱ͜ΖΛ೺ѲͰ͖Δମ੍ͳͲ ● ίϛϡχςΟ෦෼Ͱ͋Ε͹Ϣʔβʔ൓Ԡͱ͔ ● Ϣʔβʔαϙʔτ෦෼Ͱ͋Ε͹ରԠ࣌ؒͱ͔ ● ιϑτ΢ΣΞ෦෼Ͱ͋Ε͹Four Keysͱ͔

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Ξ΢τϥΠϯ 1.ҙࢥܾఆͱ͸ɺҙࢥΛݱ࣮ʹམͱ͠ࠐΉ޻ఔ 2.Մ؍ଌੑͱ͸ɺߏ଄Λཧղͯ͠؍ଌͰ͖Δ͜ͱ 3.ϞσϧԽͷ͸ͳ͠ 4.۩ମྫ 5.·ͱΊ ҙࢥܾఆɺϢʔβʔ΍ ίϛϡχςΟΛ၆ᛌͯ͠Έͨ

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۩ମྫɿ։ൃ૊৫

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ਓһ഑ஔ͸࠷େͷೖྗ ͜͜·Ͱͷ࿩͸ҙਤతʹਓͷ࿩Λআ֎͍ͯͨ͠ ਓһ഑ஔ͕ϓϩμΫτ΁ͷ࠷େͷೖྗͳͷͰɺ͜ΕΛ࠷దԽ ͢Δ͜ͱ͕࠷େͷ݁Ռʹͭͳ͕Δ ৬छɾ৬ೳผɺνʔϜτϙϩδʔɺetc...

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ྫ͑͹ pixivͷ։ൃ૊৫ʹ͸֤࡞඼छผͷϢʔβʔίϛϡχςΟΛͦ ΕͧΕղ૾౓ߴ͘ݟ͍ͯΔνʔϜ͕͋Γ·͢ ● খઆνʔϜ ● ϚϯΨνʔϜ ● ΠϥετνʔϜ

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࡞඼छผͷίϛϡχςΟΛݟΔνʔϜͷ໾ׂ

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࡞඼छผͷίϛϡχςΟΛݟΔνʔϜͷ໾ׂ ͜ͷ෦෼

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࡞඼छผͷίϛϡχςΟΛݟΔνʔϜͷ໾ׂ

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·ͱΊ

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·ͱΊ ● ҙࢥܾఆ͸ҙࢥʢເʣΛݱ࣮ʹམͱ͠ࠐΉ޻ఔ ● UGCͷՁ஋͸ఏڙ͢Δػೳͷ֎ଆʹ͋ΔͷͰ؍ଌ͕ॏཁ ● ҙࢥܾఆͱ؍ଌΛ࣠ʹϓϩμΫτΛϞσϧԽͯ͠Έͨ ● ׆༻ྫͱͯ͠ɺҙࢥܾఆ΍؍ଌΛՃ଎͢Δ࡞඼छผ͝ͱ ͷνʔϜମ੍ͱͦͷ໾ׂͷ঺հ

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