Wantedly の機械学習プロダクト開発を支える機械学習基盤 / #rejectcon2018

©2018 Wantedly, Inc. Wantedly ͷػցֶशϓϩμΫτ։ൃ Λࢧ͑Δػցֶशج൫ 29.Sep.2018 - Nao Minami
(@south37) Rejectcon 2018 (builderscon tokyo 2018 ൪֎ฤ)

©2018 Wantedly, Inc. /BP.JOBNJ *OGSBTUSVDUVSF&OHJOFFS 8BOUFEMZ *OD (JU)VCTPVUI 5XJUUFSTPVUI 8BOUFEMZͰػցֶशج൫ߏஙʹऔΓ૊Ή
43&ͱͯ͠ͷ໾ׂʢαʔϏεͷ৴པੑΛ୲อʣ ։ൃج൫ͱͯ͠ͷ໾ׂʢձࣾશମͷج൫੔උͳͲʣ

©2018 Wantedly, Inc. ͸ͨΒ͘Λ໘ന͘ ༗໊اۀ΍ϕϯνϟʔɺελʔτΞοϓاۀɺؾʹͳΔΦ ϑΟεʹ࿩Λฉ͖ʹ͍͜͏ɻ  ΩϥͬͱޫΔγΰτ΍ϓϩδΣΫτɺձࣾΛݟ͚ͭͯΤϯ τϦʔ͠·͠ΐ͏ɻ஌Γ߹͍ͷͭͳ͕Γ͕෼͔ͬͯ҆৺Ͱ ͢ɻ  ϓϩϑΟʔϧΛॆ࣮ͤ͞Δ͜ͱͰɺ࠾༻୲౰ऀ͔Β௚઀Φ
ϑΟε๚໰ͷট଴͕དྷΔ͔΋͠Ε·ͤΜɻ

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w 8BOUFEMZ1FPQMF w ໊ࢗը૾ಡΈऔΓϩδοΫ w Ϣʔβʔಉ࢜ͷͭͳ͕ΓਪఆϩδοΫ w ࿩୊هࣄͷύʔιφϥΠζ w FUD

©2018 Wantedly, Inc. 1FPQMF໊ࢗಡΈऔΓσϞ w 1FPQMFͷ໊ࢗಡΈऔΓ͸ػցֶशΛ׆༻ w ਺ඵͰσʔλԽ׬ྃͱ͍͏ମݧΛఏڙ͍ͨ͠ w ਓ͕ؒհࡏ͢Δͷ͸ෆՄೳ
w ը૾͔Βߏ଄ԽσʔλΛಡΈग़͢ॲཧ͸ɺී௨ͷΞϧΰϦζϜͰ͸೉͍͠ w ػցֶशΛ׆༻͔ͨ͠Β੒ཱͨ͠ϓϩμΫτ

©2018 Wantedly, Inc. 8BOUFEMZ1FPQMFͷ໊ࢗը૾ಡΈऔΓख๏ͷมભ 3BOEPNGPSFTU 9(#PPTU %FFQ-FBSOJOH w w
8BOUFEMZ1FPQMFϦϦʔε w γϯϓϧͳख๏ w ЋͰਖ਼نදݱͳͲͷ ϩδοΫ΋ར༻ w w ख๏Λมߋ w ֶशσʔλ֦ॆ w w FOEUPFOEͰਪ࿦ w ͞ΒͳΔਫ਼౓޲্

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w ྫ"͞Μͱ$͞Μ͸#͞Μͱ͍͏ڞ௨ͷͭͳ͕Γ͕ ଘࡏ͢ΔͷͰɺݱ࣮Ͱ͸࣮͸ܨ͕͍ͬͯΔ͔΋ʁ w 'BDFCPPL΍-JOLFEJO΋ɺͭͳ͕Γਪఆ͔Βʮ஌Γ ߹͍Ͱ͸ʁʯػೳΛ࡞͍ͬͯΔ

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w 8BOUFEMZ1FPQMF w ໊ࢗը૾ಡΈऔΓϩδοΫ w Ϣʔβʔಉ࢜ͷͭͳ͕ΓਪఆϩδοΫ w ࿩୊هࣄͷύʔιφϥΠζ w FUD ༷ʑͳλεΫͰػցֶशΛ׆༻ʂ

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w ϦϦʔεʹ޲͚ͯओମతʹಈ͚Δ w σʔλΛαʔϏεͷࢹ఺͔Βଊ͑Δ͜ͱ͕Ͱ͖Δ w FHεύϜߦಈΛߦ͏ϢʔβʔͷߦಈϩάͳͲΛద੾ʹѻ͏͜ͱ͕Ͱ͖Δ

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w ࣾ಺ɺࣾ֎ษڧձ w ࣾ಺ྠߨ΍%BUB%SJWFO%FWFMPQFS.FFUVQͷ։࠵ w ձࣾશମͷػցֶशج൫ͷ੔උ

©2018 Wantedly, Inc. 8BOUFEMZͷػցֶशج൫ w σʔλج൫ w ֶश w ධՁ
w σϓϩΠ w ܭଌ

©2018 Wantedly, Inc. σʔλΛஷΊΔج൫ w ͋ΒΏΔϩά΍σʔλΛ#JH2VFSZʹू໿ w ϩά΍σʔλू໿༻ͷج൫͕੔͍ͬͯΔ w (P
3VCZͳͲ֤ݴޠ༻ͷMPHHFSMJCSBSZ qVFOUE w Ұ෦ɺ5SFBTVSF%BUBΛܦ༝ͯ͠#JH2VFSZ΁FYQPSU ೥ʹ#JH2VFSZ΁Ҡߦ໊ͨ͠࢒ w σʔλϕʔεͷσʔλಉظδϣϒ w ͋ΒΏΔϩά΍σʔλΛू໿ w Ϣʔβʔߦಈϩά w Πϕϯτϩά w σʔλϕʔεͷσʔλ w ֎෦࿈ܞαʔϏεʢFH4BMFTGPSDF ;FOEFTLʣͷσʔλ w ֤छΠϯϑϥϝτϦΫεʢ"QQMJDBUJPOMPH LVCFSOFUFTDMVTUFSMPH FUDʣ w FUD

©2018 Wantedly, Inc. w #JH2VFSZ 4ͷ؀ڥͰɺඞཁͳݖݶ͸ ػցֶशΤϯδχΞʹશͯ౉͍ͯ͠Δ w ඞཁͳσʔλΛࣗ༝ʹऔಘɺ੔ܗɺอଘͰ͖Δ w
σʔλ෼ੳɺՄࢹԽɺલॲཧɺֶश ػցֶशΤϯδχΞ σʔλΛ࢖͏ج൫ #JH2VFSZ 4

©2018 Wantedly, Inc. σʔλΛ࢖͏ج൫ w ϚΠΫϩαʔϏεʮ"OBMZUJDTαʔϏεʯ͕ଘࡏ w σʔλΛఆظతʹՃ޻ɺ෼ੳ͢ΔͨΊͷαʔϏε w %4-Λར༻ͯ͠؆୯ʹ,VCFSFOFUFTͷ$SPO+PCʢఆظ࣮ߦδϣϒʣΛొ࿥Ͱ͖Δ
w #JH2VFSZ#JH2VFSZɺ#JH2VFSZ3%4ͳͲͷॲཧ΋%4-Ͱ؆୯ʹهड़Մೳ w ϓϩάϥϜͰσʔλΛલॲཧͯ͠#JH2VFSZʹॻ͖໭͢͜ͱ΋Մೳ w ʮ3VCZͰ࡞Δσʔλ෼ੳج൫ʯͱ͍͏λΠτϧͰ3BJMT%.Ͱ஛໺͕ൃදͯ͠·͢ʂ #JH2VFSZ "OBMZUJDT 3%4

©2018 Wantedly, Inc. ิ଍,VCFSOFUFTͱ͸ w ,VCFSOFUFT͸ίϯςφΦʔέετϨʔγϣϯ πʔϧ w %PDLFSDPOUBJOFSΛΫϥελͷOPEFʹׂΓ౰ͯͯ͘ΕΔ w
Ϋϥελ͕Ұ౓ߏங͞ΕΕ͹ɺ༷ʑͳDPOUBJOFSΛ؆୯ʹಈ͔͢ࣄ͕Ͱ͖Δ w Φʔτεέʔϧͯ͠ɺෛՙʹରͯ͠ॊೈʹରԠ͢Δࣄ΋Մೳ w 8BOUFEMZͰ͸ɺ,VCFSOFUFTΫϥελ্ʹϚΠΫϩαʔϏεΛߏங͍ͯ͠Δʢ໿αʔϏεʣ w ,VCFSOFUFT͕ఏڙ͢Δػೳͷதʹɺ$SPO+PCͱ͍͏ఆظ࣮ߦδϣϒػೳ͕͋Δ 4FSWJDF" 4FSWJDF# 4FSWJDF$

©2018 Wantedly, Inc. σʔλج൫·ͱΊ w σʔλΛஷΊΔج൫ w #JH2VFSZ w ֤छMPHHFSMJCSBSZ
qVFOUE w σʔλಉظδϣϒ w 4 w σʔλΛ࢖͏ج൫ w #JH2VFSZ 4ΛػցֶशΤϯδχΞʹར༻ͯ͠΋Β͏ w "OBMZUJDTαʔϏεPO,VCFSOFUFT

©2018 Wantedly, Inc. σʔλج൫·ͱΊ w σʔλΛஷΊΔج൫ w #JH2VFSZ w ֤छMPHHFSMJCSBSZ
w σʔλಉظδϣϒ w 4 w σʔλΛ࢖͏ج൫ w #JH2VFSZ 4ΛػցֶशΤϯδχΞʹར༻ͯ͠΋Β͏ w "OBMZUJDTαʔϏεPO,VCFSOFUFT σʔλΛ׆༻Ͱ͖Δσʔλج൫

©2018 Wantedly, Inc. 8BOUFEMZͷػցֶशج൫ w σʔλج൫ʜ#JH2VFSZ 4 "OBMZUJDT w ֶश
w ධՁ w σϓϩΠ w ܭଌ

©2018 Wantedly, Inc. w σʔλͱίʔυͱֶश؀ڥΛ༻ҙͯ͠ɺػցֶश ֶश #JH2VFSZ 4 σʔλ ίʔυ
1Z5PSDI (16JOTUBODF 4BHF.BLFS ֶश؀ڥ

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$PNQVUF&OHJOF "NB[PO4BHF.BLFS

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՝୊ w ೝূ৘ใ΋ؚΊͨηοτΞοϓ͕໘౗ w ֶश͕ऴΘͬͨΒHQVJOTUBODFΛTUPQ͢ΔͳͲɺӡ༻͕໘౗ ֶश؀ڥ

©2018 Wantedly, Inc. w ࠓ೥͔Β"NB[PO4BHF.BLFSΛಋೖ w ʮ։ൃʯɺʮֶशʯɺʮσϓϩΠʯ͕ߦ͑ΔػցֶशϓϥοτϑΥʔϜ w ֤εςοϓ͝ͱʹઐ༻ͷJOTUBODFΛཱͯͯར༻ w
։ൃ༻ͷίετͷ௿͍KVQZUFSJOTUBODFΛਓ͕઎༗ͯ͠ར༻ɻTBHFNBLFS MJCSBSZΛ௨ֶͯ͠श։࢝͢Δͱɺ.-JOTUBODF͕ద੾ͳ෼͚ͩىಈɻ w *".Ͱద੾ʹݖݶઃఆɻKVQZUFSJOTUBODFͷىಈTDSJQUͰηοτΞοϓɻ w EPDLFSDPOUBJOFSΛར༻ֶͯ͠शͰ͖Δɻ؀ڥ͸͔ͳΓࣗ༝౓Λ࣋ͬͯ࡞ΕΔɻ w ༷ʑͳϝϦοτ w ؀ڥηοτΞοϓͷίετ͕େ෯ʹݮͬͨ w ֶशऴྃޙʹ(16JOTUBODF͕উखʹTUPQ͢ΔͷͰɺ໘౗ͳӡ༻͕ෆཁʹͳͬͨ w 4BHF.BLFSʹ͍ͭͯ͸ɺͷ"84%FW%BZͰ͞ΒʹৄࡉΛ࿩͢༧ఆɻڵຯͷ ͋Δํ͸ͪ͜Β΋ͥͻʂ ֶश؀ڥ

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1ZUPSDI TDJLJUMFBSOͳͲɺϓϩδΣΫτʹΑͬͯϥΠϒϥϦ΋ҧ͏ɻ ຊਓͷशख़౓ͳͲ༷ʑͳཁҼͰ࢖͏΋ͷ͸มߋՄೳɻ ֶश؀ڥ

©2018 Wantedly, Inc. w Ϟσϧ͸ɺ4΁UJNFTUBNQͳͲͷόʔδϣϯ ෇͖Ͱอଘ w ֶशσʔλ΍ϋΠύʔύϥϝʔλΛม͑ͯϞσϧΛߋ৽͍ͯ͘͠ࡍ΋ɺόʔδϣϯ෇͖Ͱอଘ ͯ͠؅ཧ w
είΞΛBQQMJDBUJPO͔Βར༻͢ΔέʔεͰ͸ɺܭࢉͨ͠είΞΛ3%4΍3FEJTʹόʔδϣ ϯ൪߸ʢUJNFTUBNQʣ෇͖Ͱอଘͯ͠ɺBQQMJDBUJPO͔Βར༻ ֶश

©2018 Wantedly, Inc. w DPPLJFDVUUFSNMUFNQMBUFͰ։ൃΛߴ଎Խ w ػցֶशϓϩδΣΫτΛ܁Γฦ͢͠͏ͪʹɺࣾ಺ϕετϓϥΫςΟε͕ݟ͖͑ͯͨ w SFQPTJUPSZͷTFUVQॲཧΛANBLFCPPUTUSBQAʹ౷Ұ w
ֶशσʔλΛ4ͱ΍ΓͱΓ͢ΔͨΊͷπʔϧΛར༻ w %PDLFSpMFΛར༻ w ֶशͷFOUSZQPJOUΛANBLFUSBJOAʹ౷Ұ w ධՁͷFOUSZQPJOUΛATDSJQUFWBMVBUFAʹ౷Ұ w ֶश࣌ͱਪ࿦࣌ͷલॲཧNPEVMFΛ౷Ұ w "1*TFSWFSͷUFNQMBUF࣮૷Λར༻ w ϕετϓϥΫςΟεͷపఈ։ൃޮ཰Խͷҝʹɺࣾ಺༻DPPLJFDVUUFSNMUFNQMBUFΛ༻ҙ w ։ൃ΍ֶशɺͦͷޙͷϑϩʔ͕ߴ଎Խʂ ֶश

©2018 Wantedly, Inc. w DPPLJFDVUFSUFNQMBUFͰ։ൃΛߴ଎Խ w ػցֶशϓϩδΣΫτΛ܁Γฦ͢͠͏ͪʹɺࣾ಺ϕετϓϥΫςΟε͕ݟ͖͑ͯͨ w SFQPTJUPSZͷTFUVQॲཧΛANBLFCPPUTUSBQAʹ౷Ұ w
ֶशσʔλΛ4΁഑ஔɺ4͔ΒSFQPTJUPSZ΁μ΢ϯϩʔυ΍ٯʹ4΁Ξοϓϩʔυ ͢ΔͨΊͷπʔϧΛར༻ w %PDLFSpMFͷར༻ w ֶशͷFOUSZQPJOUΛANBLFUSBJOAʹ౷Ұ w ධՁͷFOUSZQPJOUΛATDSJQUFWBMVBUFAʹ౷Ұ w ֶश࣌ͱਪ࿦࣌ͷલॲཧNPEVMFΛ౷Ұ w "1*TFSWFSͷUFNQMBUF࣮૷Λར༻ w ϕετϓϥΫςΟεͷపఈπʔϧར༻؆ศԽͷҝʹɺDPPLJFDVUUFSUFNQMBUFΛ༻ҙͨ͠ ֶश ֶश؀ڥͷ੔උ͕ਐΜͩ

©2018 Wantedly, Inc. 8BOUFEMZͷػցֶशج൫ w σʔλج൫ʜ#JH2VFSZ 4 "OBMZUJDT w ֶशʜ(16JOTUBODF
4BHF.BLFS w ධՁ w σϓϩΠ w ܭଌ

©2018 Wantedly, Inc. w ֶशͨ͠ϞσϧͷΫΦϦςΟΛνΣοΫ͢Δͨ ΊʹɺP⒐JOFධՁΛߦ͏ w ਖ਼ղ཰ʢBDDVSBDZʣ͸ʁద߹཰ʢQSFDJTJPOʣ͸ʁ࠶ݱ཰ʢSFDBMMʣ͸ʁ w ਪ࿦Λؒҧ͑ͨ࣌ɺͲͷέʔεʹରͯ͠Ͳ͏͍ͬͨؒҧ͍Λͨ͠ͷ͔ʁ
w ʮϦϦʔεͷ൑அʯ΍ʮਫ਼౓վળʯΛ͔֬ΊΔͨΊʹඞཁ ධՁ

©2018 Wantedly, Inc. w ݩʑɺ֤.-SFQPTJUPSZͰόϥόϥʹ P⒐JOFධՁ݁ՌΛ؅ཧ͍ͯͨ͠ w ଟ͘ͷ.-SFQPTJUPSZ͸ɺධՁTDSJQUΛόϥόϥͷ໊લͰઃஔͯ͠ɺ4΁VQMPBE w ՝୊
w υΩϡϝϯτ͕ແ͚Ε͹ɺP⒐JOFධՁͷ࣮ߦํ๏΍Ӿཡํ๏΋෼͔Βͳ͍ w JUFN͝ͱͷ݁ՌΛݟͨͯ͘΋ɺݟΔํ๏͕෼͔Βͳ͍ w ղܾࡦP⒐JOFධՁʹؔͯ͠ϨʔϧΛෑ͘͜ͱ ʹͨ͠ ධՁ

©2018 Wantedly, Inc. w ֤SFQPTJUPSZʹɺTDSJQUFWBMVBUFΛઃஔ w TDSJQUFWBMVBUFΛ࣮ߦ͢ΔͱɺP⒐JOFධՁ͕ߦΘΕͯɺධՁ݁Ռ͕ग़ྗ͞ΕΔ w P⒐JOFධՁσʔλΛ؅ཧ͢ΔπʔϧʮFWʯ w
FWFWBMVBUJPOEBUBNBOBHFNFOUUPPM w FWDMJͱFWKPCHFOͷ૊Έ߹ΘͤͰػೳΛఏڙ w IUUQTHJUIVCDPNXBOUFEMZFWDMJ w IUUQTHJUIVCDPNXBOUFEMZFWKPCHFO PGGMJOFධՁͷϨʔϧ

©2018 Wantedly, Inc. w ֶशޙͷP⒐JOFධՁσʔλ؅ཧ w FWDMJ͕࣮૷ w P⒐JOFධՁ݁ՌΛϞσϧͷόʔδϣϯɺϋΠύʔύϥϝʔλɺֶशσʔλͷόʔδϣϯͱͱ΋ ʹอଘ͢Δʢ࠶ݱੑͷ͋ΔධՁ݁Ռʣ
w ఆظతͳNBTUFSCSBODI NBTUFSEBUBͰͷ P⒐JOFධՁσʔλ؅ཧ w FWKPCHFO͕࣮૷ w ຖ೔P⒐JOFධՁͱFWDJMͰͷධՁ݁ՌͷอଘΛߦͬͯɺP⒐JOFධՁ݁Ռͷվળͷྺ࢙Λ࢒͢ FWͷػೳ

©2018 Wantedly, Inc. FWDMJͷΞʔΩςΫνϟ #JH2VFSZ 4 5BSHFU.-TFSWJDF ATDSJQUFWBMVBUFAΛ࣮ߦͯ͠P⒐JOFධՁ
w PVUUYUͱNFUSJDTKTPOΛੜ੒ AFWVQMPBEAΛ࣮ߦ w 4΁ܾ·ͬͨGPSNBUͰධՁσʔλΛVQMPBE w CSBODI DPNNJU IZQFSQBSBNFUFSͳͲ΋ಉ࣌ʹVQMPBE 4͔Β-BNCEBͰ#JH2VFSZ΁TUSFBNJOHJOTFSU w FWFYQPSUͱ͍͏ࣾ಺TFSWJDFͰ؅ཧ͞Εͨ-BNCEB -BNCEB

©2018 Wantedly, Inc. FWKPCHFOͷػೳ w P⒐JOFධՁͱFWDMJΛఆظ࣮ߦ͢Δ ,VCFSOFUFT$SPO+PCΛొ࿥ w :BNMͰ࠷খͷఆٛΛॻ͘ͱɺP⒐JOFධՁͱFWDMJΛ࣮ߦ͢Δ$SPO+PC͕ొ࿥͞ΕΔ w
ຖ೔֤.-SFQPTJUPSZͷNBTUFSͰͷP⒐JOFධՁ݁ՌΛ࢒͠ଓ͚Δ $SPO+PC" $SPO+PC# FWKPCHFO ొ࿥ ొ࿥

©2018 Wantedly, Inc. FWKPCHFOͷػೳ w P⒐JOFධՁͱFWDMJΛఆظ࣮ߦ͢Δ ,VCFSOFUFT$SPO+PCΛొ࿥ w :BNMͰ࠷খͷఆٛΛॻ͘ͱɺP⒐JOFධՁͱFWDMJΛ࣮ߦ͢Δ$SPO+PC͕ొ࿥͞ΕΔ w
ຖ೔֤.-SFQPTJUPSZͷNBTUFSͰͷP⒐JOFධՁ݁ՌΛ࢒͠ଓ͚Δ $SPO+PC" $SPO+PC# FWKPCHFO ొ࿥ ొ࿥ ܧଓతͳϞσϧධՁͷ ج൫͕੔උ͞Εͨ

4BHF.BLFS w ධՁʜTDSJQUFWBMVBUF FW w σϓϩΠ w ܭଌ

©2018 Wantedly, Inc. w ػցֶशΛϓϩμΫτʹ׆༻͢Δࡍɺେ͖͘෼͚ͯ छྨͷํ๏͕͋Δ w "1*TFSWFSΛ༻ҙͯ͠ɺSFRVFTUʹରͯ͠ϞσϧͰਪ࿦ͨ݁͠ՌΛฦ͢ʢը૾෼ྨͳͲʣ w είΞΛόονܭࢉͯ͠BQQMJDBUJPO͔Βར༻ʢਪનͳͲʣ
σϓϩΠ

©2018 Wantedly, Inc. w ,VCFSOFUFTΛར༻ w ϝϦοτΠϯϑϥΤϯδχΞ͕શؔ͘༩ͤͣʹ৽͍͠"1*TFSWFSΛݐͯΒΕΔ w ඞཁͳͷ͸ֶशࡁΈϞσϧͱ4FSWFS࣮૷ͱ%PDLFSpMFͱϚχϑΣετϑΝΠϧͷΈ w
͞Βʹɺ4FSWFS࣮૷ͷେ෦෼͸DPPLJFDVUUFSNMςϯϓϨʔτͰఏڙ w ϚχϑΣετϑΝΠϧ΋ɺࣾ಺ςϯϓϨʔτ͕ଘࡏ w EFQMPZखॱͷυΩϡϝϯτ΋੔උ͞Ε͓ͯΓɺEFQMPZ༻ͷศརͳࣾ಺πʔϧ΋ଘࡏ "1*TFSWFSΛ༻ҙ͢Δํ๏ .-DBUFHPSJ[FS .-SFDPNNFOEFS" .-SFDPNNFOEFS#

©2018 Wantedly, Inc. w ,VCFSOFUFTΛར༻ w ϝϦοτΠϯϑϥΤϯδχΞ͕શؔ͘༩ͤͣʹ৽͍͠"1*TFSWFSΛݐͯΒΕΔ w ඞཁͳͷ͸ֶशࡁΈϞσϧͱ4FSWFS࣮૷ͱ%PDLFSpMFͷΈ w
͞Βʹɺ4FSWFS࣮૷ͷେ෦෼͸DPPLJFDVUUFSNMςϯϓϨʔτͰఏڙ w EFQMPZखॱͷυΩϡϝϯτ΋੔උ͞Ε͓ͯΓɺEFQMPZ༻ͷศརͳࣾ಺πʔϧ΋ଘࡏ "1*TFSWFSΛ༻ҙ͢Δํ๏ .-DBUFHPSJ[FS .-SFDPNNFOEFS" .-SFDPNNFOEFS# ΨϯΨϯ"1*TFSWFSΛ ݐͯΔ͜ͱ͕Ͱ͖Δ؀ڥʂ

©2018 Wantedly, Inc. w ,VCFSOFUFTͷ$SPO+PCΛར༻ w ڠௐϑΟϧλϦϯάͳͲɺશମਪ࿦͢Δ΋ͷ͸είΞΛόονܭࢉ͢Δ w ܭࢉ݁Ռ͸3%4΍3FEJTͳͲɺ"QQMJDBUJPO͔Βར༻͠΍͍͢σʔλετΞʹอଘ w
είΞΛฦ͢"1*TFSWFSΛݐͯΔࣄ΋͋Δ w ඞཁͳͷ͸ίʔυͱ%PDLFSpMFͱϚχϑΣετϑΝΠϧͷΈ είΞΛόονܭࢉ͢Δํ๏ .-+PC 3%4 3FEJT "QQMJDBUJPO είΞॻ͖ग़͠ είΞಡΈࠐΈ

©2018 Wantedly, Inc. w (16JOTUBOUFͰ૊Μͩ,VCFSOFUFTDMVTUFS ΋༻ҙ͍ͯ͠Δ w σΟʔϓϥʔχϯάͳͲ(16Λ࢖͍͍ͨλεΫͰ͋ͬͯ΋ɺ,VCFSOFUFTDMVTUFS΁؆୯ ʹσϓϩΠͰ͖Δ w
$SPO+PCͰͷֶशɾਪ࿦ʹར༻ w (PPHMF,VCFSOFUFT&OHJOFΛར༻ ,VCFSOFUFTDMVTUFSͷ؀ڥ %FFQ-FBSOJOH4FSWJDF" %FFQ-FBSOJOH4FSWJDF#

©2018 Wantedly, Inc. w (16JOTUBOUFͰ૊Μͩ,VCFSOFUFTDMVTUFS ΋༻ҙ͍ͯ͠Δ w σΟʔϓϥʔχϯάͳͲ(16Λ࢖͏λεΫͰ͋ͬͯ΋ɺ,VCFSOFUFTDMVTUFS΁؆୯ʹσ ϓϩΠͰ͖Δ w
$SPO+PCͰͷֶशɾਪ࿦ʹར༻ w (PPHMF,VCFSOFUFT&OHJOFΛར༻ ,VCFSOFUFTDMVTUFSͷ؀ڥ %FFQ-FBSOJOH4FSWJDF" %FFQ-FBSOJOH4FSWJDF# ,VCFSOFUFTΛ׆༻ͯ͠ σϓϩΠج൫͸੔උ

4BHF.BLFS w ධՁʜTDSJQUFWBMVBUF FW w σϓϩΠʜ,VCFSOFUFT (16DMVTUFS w ܭଌ

©2018 Wantedly, Inc. w ຊ൪σϓϩΠޙ͸ɺϩάΛݟͯܧଓతʹܭଌ w σʔλج൫͕੔ͬͯΔͷͰɺϩάͷऩू΋؆୯ w ޮՌݕূʹ͸"#UFTUΛར༻ w
ਪનܥλεΫͰ͋Ε͹ΫϦοΫ཰ͳͲɺਪ࿦ܥλεΫͰ͋Ε͹ਖ਼౴཰ͳͲΛܭଌ ܭଌ

4BHF.BLFS w ධՁʜTDSJQUFWBMVBUF FW w σϓϩΠʜ,VCFSOFUFT (16DMVTUFS w ܭଌʜϩάܭଌ "#UFTU

4BHF.BLFS w ධՁʜFW #JH2VFSZ %0.0 w σϓϩΠʜ,VCFSOFUFT (16DMVTUFS w ܭଌʜϩάܭଌ "#UFTU %0.0 ػցֶशج൫ͷ্Ͱ ܧଓతͳվળΛ࣮ݱ

©2018 Wantedly, Inc. w σʔλج൫ʜ#JH2VFSZ 4 "OBMZUJDT w σʔλ෼ੳ؀ڥΛ੔͑ΔͨΊ೥ʹ5SFBTVSF%BUBɺ೥ʹ#JH2VFSZ "OBMZUJDTಋೖ
w ֶशʜ(16JOTUBODF 4BHF.BLFS w ೥͔Β(16JOTUBODFΛར༻ɺ೥ʹ4BHF.BLFSΛಋೖ w ධՁʜTDSJQUFWBMVBUF FW w ೥͔ΒFWΛ։ൃɺಋೖͯ͠ϨʔϧΛෑ͍ͨ w σϓϩΠʜ,VCFSOFUFT (16DMVTUFS w ೥͔Β,VCFSOFUFTར༻ɺ೥͔Β(16DMVTUFSΛར༻ w ܭଌʜϩάܭଌ "#UFTU 8BOUFEMZͷػցֶशج൫ͷྺ࢙

©2018 Wantedly, Inc. ·ͱΊ w 8BOUFEMZͰ͸ɺ༷ʑͳܗͰػցֶशΛ ϓϩμΫτ΁׆༻͍ͯ͠Δ w ػցֶशΤϯδχΞ͸ϓϩμΫτνʔϜͷதͰ ίΞͳՁ஋ΛੜΈग़͍ͯ͠Δ
w ࠓޙ΋ػցֶशج൫Λվળͯ͠ɺػցֶश ΤϯδχΞ͕͞Βʹً͚Δ؀ڥΛ࡞͍ͬͯ͘ʂ

Wantedly の機械学習プロダクト開発を支える機械学習基盤 / #rejectcon2018

Wantedly の機械学習プロダクト開発を支える機械学習基盤 / #rejectcon2018

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