会社訪問アプリ Wantedly Visit における相互推薦システムの活用事例

Slide 1

Slide 1 text

Slide 2

Slide 2 text

Slide 3

Slide 3 text

Slide 4

Slide 4 text

Slide 5

Slide 5 text

Slide 6

Slide 6 text

Slide 7

Slide 7 text

Slide 8

Slide 8 text

Slide 9

Slide 9 text

Slide 10

Slide 10 text

Slide 11

Slide 11 text

Slide 12

Slide 12 text

Slide 13

Slide 13 text

© 2024 Wantedly, Inc. Ϛονϯάͷਪનͷ೉͠͞ᶄ ภͬͨਪનʹΑΔϢʔβʔମݧͷѱԽ Ұൠతͳਪન (Item to User) ※ ͨͩ͠ଟ༷ੑͷܽ೗΍ίϯςϯπੜ࢈ऀࢹ఺Ͱͷࡏݿ΍ެฏੑ͕໰୊ʹͳΔ৔໘͕͋Δ ͜ΜͳʹϝοηʔδΛ΋Βͬͯ΋ ରԠͰ͖ͳ͍… શવϝοηʔδΛ΋Β͑ͳ͍… Ϛονϯάͷਪન (User to User) ຊ౰ʹྑ͍΋ͷ͕ਪનͰ͖͍ͯΕ͹ ϢʔβʔମݧͷѱԽʹܨ͕Γʹ͍͘ʢ*ʣ ΩϟύγςΟΛ௒͑Δ਺ͷ޷ҙ΍ Ϛονϯά͕શ͘Ͱ͖ͳ͍ͱ͍͏ϢʔβʔମݧͷѱԽʹ௚݁

Slide 14

Slide 14 text

© 2024 Wantedly, Inc. Ϛονϯάͷਪનͷ೉͠͞ᶅ ϢʔβʔͷߦಈಛੑʹىҼ͢Δ೉͠͞ Ұൠతͳਪન (Item to User) Ϣʔβʔ͸ࣗ਎ͷ໨తΛୡ੒͢ΔͨΊ ೳಈతʹߦಈΛߦ͏ ೳಈతʹߦಈ͢ΔϢʔβʔ΋͍Ε͹ ૬ख͔Β޷ҙ͕དྷΔͷΛ଴ͭडಈతͳϢʔβʔ΋͍Δ Ϛονϯάͷਪન (User to User) ❌ डಈతͳϢʔβʔ͸ద੾ͳϢʔβʔʹਪન͞Εͳ͍ݶΓ Ϛονϯάͱ͍͏໨త͕ୡ੒Ͱ͖ͳ͍

Slide 15

Slide 15 text

Slide 16

Slide 16 text

© 2024 Wantedly, Inc. ૬ޓਪનγεςϜʢReciprocal Recommender Systemsʣͱ͸ʁ αʔϏε಺ͷϢʔβʔΛޓ͍ʹਪન͠߹͏γεςϜ ● ҰൠతͳਪનγεςϜʢItem to User ͷਪનʣ ● Ϣʔβʔ͔ΒΞΠςϜ΁ͷᅂ޷ʹج͍ͮͯਪન ● ૬ޓਪનγεςϜʢUser to User ͷਪનʣ ● ਪન͞ΕΔϢʔβʔ / ਪનΛड͚ΔϢʔβʔͷ྆ํͷᅂ޷ʹ ج͍ͮͯਪન

Slide 17

Slide 17 text

© 2024 Wantedly, Inc. ૬ޓਪનγεςϜͷجຊతͳΞʔΩςΫνϟ User A to User B Preference Score User B to User A Preference Score Reciprocal Preference Score Aggregation Function Ϣʔβʔ A ͔ΒϢʔβʔ B ΁ͷᅂ޷είΞ Ϣʔβʔ B ͔ΒϢʔβʔ A ΁ͷᅂ޷είΞ ΛͦΕͧΕਪ࿦ ૬ޓͷᅂ޷είΞΛௐ࿨ฏۉͳͲͷؔ਺Ͱू໿ ྆ํͱ΋είΞ͕ߴ͍ͱߴ͘ɺͲͪΒ͔͕௿͍ ͱ௿͘ͳΔੑ࣭ͷؔ਺͕ద੾ͱݴΘΕ͍ͯΔ ू໿͞ΕͨείΞ͸૬ޓͷᅂ޷ͷϚον౓Λදݱ ͜Εʹج͍ͮͯਪનΛߦ͏

Slide 18

Slide 18 text

Slide 19

Slide 19 text

© 2024 Wantedly, Inc. Wantedly Visit ΁ͷ૬ޓਪનγεςϜͷಋೖ Ϣʔβʔ اۀ Ϣʔβʔ → اۀͷᅂ޷༧ଌ اۀ → Ϣʔβʔͷᅂ޷༧ଌ ֤Ϟσϧͷ༧ଌ஋Λू໿ Ϛον౓͕ߴ͍ϢʔβʔΛ اۀʹਪન Ϛον౓͕ߴ͍ืूΛ Ϣʔβʔʹਪન Wantedly Visit ͷσʔλ͔Βਪનީิ ͱಛ௃ྔΛநग़ ɾϢʔβʔ / اۀͷߦಈϩά ɾϢʔβʔ / اۀͷଐੑ ɾϓϩϑΟʔϧͳͲͷςΩετ৘ใ

Slide 20

Slide 20 text

Slide 21

Slide 21 text

Slide 22

Slide 22 text

© 2024 Wantedly, Inc. Wantedly Visit ΁ͷ૬ޓਪનγεςϜͷಋೖ Ϣʔβʔ اۀ Ϣʔβʔ → اۀͷᅂ޷༧ଌ اۀ → Ϣʔβʔͷᅂ޷༧ଌ ֤Ϟσϧͷ༧ଌ஋Λू໿ Ϛον౓͕ߴ͍ϢʔβʔΛ اۀʹਪન Ϛον౓͕ߴ͍ืूΛ Ϣʔβʔʹਪન Ϛον౓Λ༻͍ͯ ɾϢʔβʔʹ͸Ԡืର৅ͷืूΛ ɾاۀʹ͸εΧ΢τର৅ͷީิऀΛ ͦΕͧΕਪન Ϛον౓͸૒ํͷᅂ޷ʹجͮͨ͘Ίɺ ᅂ޷ͷ͢Εҧ͍Λ཈ࢭ →ʮ྆ࢥ͍ʯͷਪનΛ࣮ݱ

Slide 23

Slide 23 text

Slide 24

Slide 24 text

Slide 25

Slide 25 text

Slide 26

Slide 26 text

© 2024 Wantedly, Inc. ղܾ͢΂͖ٕज़త՝୊ᶃ ΩϟύγςΟͱશମ࠷దΛߟྀͨ͠ਪનͷ࣮ݱ Ͳ͏ղܾʹ޲͔͏͔ʁ ● Ϛονϯάཧ࿦΍࠷దԽख๏ͳͲʹج͍ͮͨɺϢʔβʔͷΩϟύγςΟ Λߟྀ͢Δ૬ޓਪનͷ࢓૊Έͷಋೖ ؔ࿈ݚڀ ● ϚονϯάϓϥοτϑΥʔϜશମͷརӹʢSocial WelfareʣΛ࠷େԽ͢ Δ໨తؔ਺Λ༻͍ͨϥϯΩϯάͷఏҊ [Su et al., 2022]

Slide 27

Slide 27 text

Slide 28

Slide 28 text

© 2024 Wantedly, Inc. ղܾ͢΂͖ٕज़త՝୊ᶄ Ϣʔβʔͷߦಈಛੑʹج͍ͮͨϞσϦϯά Ͳ͏ղܾʹ޲͔͏͔ʁ ● डಈతͳϢʔβʔ͕ద੾ͳೳಈతͳϢʔβʔʹਪન͞Ε΍͘͢ͳΔΑ͏ ͳਪનΞʔΩςΫνϟͷݕ౼ ● ϓϩϑΟʔϧ౳ͷίϯςϯπΛ׆༻͠डಈతͳϢʔβʔͷᅂ޷Λଊ͑Δ ؔ࿈ݚڀ ● Ϣʔβʔͷ Active / Passive ͳߦಈͷάϥϑදݱͱ BERT ʹΑΔςΩε τͷຒΊࠐΈ͔ΒϚονϯάΛߦ͏ݚڀ [Yang et al., 2022]

Slide 29

Slide 29 text

Slide 30

Slide 30 text

Slide 31

Slide 31 text

© 2024 Wantedly, Inc. ·ͱΊ ● ΢ΥϯςουϦʔ͸ʮγΰτͰίίϩΦυϧͻͱʯΛ૿΍ͨ͢Ίʹɺਪ નٕज़Λ׆༻ͨ͠ϚονϯάͷମݧΛఏڙ͍ͯ͠Δ ● ϚονϯάͷਪનͰ͸ɺϢʔβʔͱاۀͷ૒ํͷᅂ޷Λຬͨ͢͜ͱ͕ॏ ཁɻ૬ޓਪનγεςϜΛಋೖ͢͠Δ͜ͱͰʮ྆ࢥ͍ʯͷਪનΛ࣮ݱ͠ ϢʔβʔͱاۀͷϚονϯάମݧΛେ͖͘վળͨ͠ ● ϢʔβʔͷΩϟύγςΟ΍ߦಈಛੑΛߟྀͨ͠ਪનͷ࣮ݱͳͲɺղܾ͢ ΂͖ٕज़త՝୊͸·ͩ·ͩ͋Δ

Slide 32

Slide 32 text

© 2024 Wantedly, Inc. ࢀߟจݙ ● Yi Su, Magd Bayoumi, and Thorsten Joachims. 2022. Optimizing Rankings for Recommendation in Matching Markets. In Proceedings of the ACM Web Conference 2022 (WWW '22). Association for Computing Machinery, New York, NY, USA, 328–338. https://doi.org/10.1145/3485447.3511961 ● Chen Yang, Yupeng Hou, Yang Song, Tao Zhang, Ji-Rong Wen, and Wayne Xin Zhao. 2022. Modeling Two- Way Selection Preference for Person-Job Fit. In Proceedings of the 16th ACM Conference on Recommender Systems (RecSys '22). Association for Computing Machinery, New York, NY, USA, 102–112. https://doi.org/ 10.1145/3523227.3546752