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理想のマッチングを実現しようと データサイエンティストがもがいてるって話 / struggles-for-ideal-matching

理想のマッチングを実現しようと データサイエンティストがもがいてるって話 / struggles-for-ideal-matching

2019年7月17日 Matching Dev Meetup#4 - Engineering (https://matching-dev-group.connpass.com/event/133322/) でのLT資料です。

5分間の LT でしたので,普段自分が Wantedly においてレコメンドのモデルを作成するとなったときに,どういうことを考えてるのかを書き殴って徒然とお話させていただきました。

Yuya Matsumura

July 17, 2019
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  1. ©2019 Wantedly, Inc.
    ཧ૝ͷϚονϯάΛ࣮ݱ͠Α͏ͱ
    σʔλαΠΤϯςΟετ͕΋͕͍ͯΔͬͯ࿩
    Matching Dev Meetup#4 - Engineering
    16.July.2019 - Yuya Matsumura @yu-ya4

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  2. ©2019 Wantedly, Inc.
    ✓ Yuya Matsumura (দଜ ༏໵)
    ✓ Software Engineer (ݕࡧɾਪનΤϯδχΞ)
    ✓ Wantedly, Inc. Recommendation Team (since April 2018)
    ✓ Interested in Information Retrieval, Machine Learning
    Self-Introduction
    @yu-ya4
    @yu__ya4

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  3. ©2018 Wantedly, Inc.

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  4. ©2019 Wantedly, Inc.
    ©2019 Wantedly, Inc.
    Wantedly Visit - ձࣾ๚໰αʔϏε
    22
    εΧ΢τ
    ࿩Λฉ͖ʹߦ͖͍ͨ
    ೝ஌ܗ੒ɾڵຯשى
    SNS
    Webݕࡧ
    ܦӦ૚
    ݸਓϢʔβ
    اۀ
    ίϯςϯπ Ӿཡ
    جຊϓϥϯʴΦϓγϣϯ ՝ۚແ͠
    ਓࣄ
    Ұൠࣾһ
    ੒ޭใुແ͠
    ֶੜ
    ձࣾһ
    ϑϦʔϥϯε
    https://corporate-site-wantedly.s3.amazonaws.com/uploads/ir_entry/pdf/
    504/2019%E5%B9%B48%E6%9C%88%E6%9C%9F3Q%E6%B1%BA%E7%AE%97%E8%AA%AC%E6%98%8E%E8%B3%87%E6%96%99.pdf
    ̍̐̕ສਓʢొ࿥ࡁΈϢʔβʣ
    3.2ສࣾ

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  5. ©2019 Wantedly, Inc.
    ԿΛ໨ࢦ͍ͯ͠Δ͔ʁ
    㾎0CKFDUJWF
    ʮνʔϜͰਪનΛݡ͘͢Δʯ
    • ֎෦ൃ৴ʢొஃɾϒϩάࣥචʣΛ ̋ ճߦ͏
    • νʔϜʹ৽͘͠ೖ͖ͬͯͨਓ͕ɾɾɾ
    • ʮ࿩Λฉ͖ʹߦ͖͍ͨʯϘλϯΛԡͯ͠΋Β͑Δׂ߹Λ ̋ˋ ૿΍͢
    → 1 ൪෼͔Γ΍͍͢ྑ͍Ϣʔβମݧͷࢦඪ
    • …
    Recommendation νʔϜ @yu-ya4 ͷݸਓOKR
    㾎,FZ3FTVMUT

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  6. ©2019 Wantedly, Inc.
    ԿΛ໨ࢦ͍ͯ͠Δ͔ʁ
    ʮ࿩Λฉ͖ʹߦ͖͍ͨʯϘλϯΛ
    ԡͯ͠΋Β͑Δׂ߹Λ ̋ˋ ૿΍͢
    ຊ౰ʹ͜Ε͚ͩͰཧ૝ͷϚονϯάΛ࣮ݱͰ͖Δʁʁ

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  7. ©2019 Wantedly, Inc.
    㾎༷ʑͳ໨తͷϢʔβ
    w ࠓ͙͢స৬͍ͨ͠ʂ
    w ͳΜ͔໘നͦ͏ͳاۀγΰτͳ͍͔ͳʁʢϝσΟΞతͳ࢖͍ํʣ
    㾎ʮ࿩Λฉ͖ʹߦ͖͍ͨʯҎ֎ʹ΋༷ʑͳΞΫγϣϯ
    w ΫϦοΫϝσΟΞతͳ࢖͍ํ΍ͱ͜ΕͰ΋े෼ϙδςΟϒ͔΋ʁ
    w ʮԠԉ͢ΔʯԠԉ͍ͨ͠ͱࢥ͏΄Ͳ͍͍γΰτΛਪનͰ͖ͨʁ
    w اۀ͔Βͷฦ৴ʮ࿩Λฉ͖ʹߦ͖͍ͨʯΛԡͯ͠΋ฦ৴ͳ͚Ε͹Ϛονͯ͠ͳ͍ʁฦ৴͕
    ͋ͬͯ΋͓அΓͷฦ৴͔΋ʁʢ͜͜·Ͱ͸σʔλ͕औΕͯͳ͍ʣ
    w ࣮ࡍʹ࿩͠Λฉ͖ʹߦͬͯͲ͏͍͏ମݧͩͬͨʁʢऔΕͯͳ͍ʣ
    ߟ͑Δ͜ͱᶃ

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  8. ©2019 Wantedly, Inc.
    㾎اۀϢʔβଆͷମݧ
    w ݸਓϢʔβͱاۀϢʔβͷϚονϯάαʔϏε
    w اۀϢʔβͷମݧ΋ྑ͘ͳΔΑ͏ͳݸਓϢʔβ΁ͷਪનʁ
    㾎༷ʑͳ؍఺
    w ৽نੑ
    w ηϨϯσΟϐςΟͦΜͳձࣾγΰτ͕͋ΔΜͩʂ
    w ଟ༷ੑ༷ʑͳۀछ΍ۀքΛ
    ߟ͑Δ͜ͱᶄ

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  9. ©2019 Wantedly, Inc.
    㾎 ϞσϦϯάͷࡍʹɼ࠷ॏཁࢦඪͰ͋Δʮ࿩Λฉ͖ʹߦ͖͍ͨʯҎ֎ͷΞΫγϣϯ΋ߟྀ͠
    ͨ໰୊ઃఆʹ
    w ͍͍ײ͡ͰॏΈ෇͚͢ΔͳͲͯ͠UBSHFUͷ஋Λઃఆ͢ΔɻFUD
    㾎 ϦϦʔεલޙʹ͓͍ͯ࠷ॏཁࢦඪҎ֎ͷ؍఺ͰͷఆྔఆੑతͳධՁ
    w ఆྔత#*πʔϧΛۦ࢖ɻΞϥʔτઃఆͨ͠Γɻ
    w ਪન͞Ε͍ͯΔ΋ͷͷதͰͷ৽نͷاۀγΰτͷׂ߹
    w ਪન͞ΕͯΔاۀγΰτͷϢχʔΫ਺ʢΈΜͳʹಉ͡΋ͷ͹͔Γਪન͞Ε͍ͯͳ͍ͷ͔ʁʣ
    w ਪન͞Ε͍ͯΔاۀγΰτͷ࣌ؒతมԽʢຖ೔ಉ͡Α͏ͳ΋ͷ͕ਪન͞Ε͍ͯͳ͍͔ʁʣ
    w ఆੑతຖே໨Ͱݟͯ֬ೝͯ͠·͢
    w ͳΜͱͳ͘ྑͦ͞͏͔ʢϑΟʔϦϯάJTେ੾ʣ
    w ۀքͳͲͷ͹Β͖ͭʢϥϕϦϯά͕ಛʹͳ͍΋ͷʹ͍ͭͯʣ
    w มͳ΋ͷ͕ࠞͬͯ͡ͳ͍͔ʢاۀγΰτͰ͸جຊతʹ͋Γ·ͤΜ͕ʣ
    ݁ہͲ͏ͯ͠Δͷʁ

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  10. ©2019 Wantedly, Inc.
    Summary
    㾎 ʮཧ૝తͳϚονϯάʯͬͯ೉͍͠
    w ༷ʑͳࢦඪɾ؍఺
    㾎 ϞσϦϯά೉͍͠
    w ϏδωεϞσϧͷཧղɾυϝΠϯ஌ࣝʹΑ͍͍ͬͯײ͡ͷ໰୊ઃఆ
    㾎 ϞσϧΛ࡞͔ͬͯΒ΋೉͍͠
    w ༷ʑͳ؍఺͔ΒͷܧଓతͳఆྔతఆੑతͳධՁ
    㾎 Ͱ΋ʢ͔ͩΒʣָ͍͠ʂ
    w ָ͘͠ͳ͍ͱ΍ͬͯΒΕͳ͍Ͱ͢

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