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サービス開発、機械学習、クラウド / the trinity of machine learning
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Yuichiro Someya
May 11, 2018
Programming
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サービス開発、機械学習、クラウド / the trinity of machine learning
Qiita × Microsoft 共催MeetUp
https://connpass.com/event/86280/
Yuichiro Someya
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Transcript
αʔϏε։ൃɺػցֶशɺΫϥυ !2JJUBº.JDSPTPGUڞ࠵.FFU6Q
ࣗݾհ છ୩༔Ұ<:VJDIJSP4PNFZB> ౦ژۀେֶେֶӃܭࢉֶम࢜ ΫοΫύουגࣜձࣾݚڀ։ൃ෦ ϦαʔνΤϯδχΞ݄d ػցֶशج൫ͷඋɺϨγϐσʔλͷੳ
UXJUUFSDPN!BZFNPT@Z HJUIVCDPNBZFNPT XXXBZFNPTNF TQFBLFSEFDLDPNBZFNPT
None
ʰιϑτΣΞΛ༻͍ͨαʔϏε։ൃͱ͍͏ ଟ݁ߏ ۙͳ ݱ͔Βػցֶशͱ͍͏ٕज़ΛݟͭΊɺ͖߹͍ํΛߟ͑Δճʱ ओͳର ػցֶशΛͬͯސ٬ʹՁΛಧ͚͍ͨਓ
?Έ͍ͨͳਓ͕ճΓʹ͍Δਓ
࣍ ͍ΖΜͳػցֶश αʔϏε։ൃͱػցֶश Ϋϥυͱ͍͏બࢶ ਓೳϒʔϜͱݬ໓ظ
࣍ ͍ΖΜͳػցֶश αʔϏε։ൃͱػցֶश Ϋϥυͱ͍͏બࢶ ਓೳϒʔϜͱݬ໓ظ
͍ΖΜͳػցֶश ػցֶशҰൃউෛͷιϦϡʔγϣϯʗ։ൃ ྫࣗಈӡసɺݕࡧ༁ ٕज़తഉଞੑͷཁҼͱͯ͠ͷػցֶश େنͳࣗಈԽʹΑΔܻഒͷվળنɺͱ͔ͦ͏͍͏ͭ
͋·ΓۙͰͳ͍
͍ΖΜͳػցֶश ػցֶशΛར༻ͨ͠αʔϏεͷ։ൃʗվળ ྫهࣄͷࣗಈྨϨίϝϯσʔγϣϯ ࣗࣾαʔϏεͰ ͪ͜ΒϒʔϜʹݗҾ͞ΕΔܗͰനԽ͍ͯ͠Δ
ਓೳػցֶशαʔϏε։ൃͱʁ ׂͬͪ͜ͱۙɻࠓ͜͜ͷΛ͠·͢ɻ
࣍ ͍ΖΜͳػցֶश αʔϏε։ൃͱػցֶश Ϋϥυͱ͍͏બࢶ ਓೳϒʔϜͱݬ໓ظ
αʔϏε։ൃͱػցֶश ιϑτΣΞ αʔϏε։ൃͰػցֶशΛ͍͍ͨͱ͍͏ χʔζ͕૿͍͑ͯΔ ਓೳϒʔϜʹґΔͱ͜Ζ͕େ͖͍ ଟ
ʰػցֶशΛ͏ʱͱʁ
ʰػցֶशΛ͏ʱͱ ػցֶशʹΑΔαʔϏεՁͷग़ʗ্ ྫهࣄͷࣗಈྨϨίϝϯσʔγϣϯ ࣗࣾαʔϏεͰ ͜ΕΛɺαʔϏε։ൃͱಉ͡ඨͰΖ͏ͱ͍͏
ۃΛݴ͑ʰϘλϯͷ৭ʗେ͖͞Λม͑Δʱͷͱಉ͡ ։ൃϓϩηεɺ։ൃίετɺٕज़తෛ࠴ɺʑ͕ొ
ʰػցֶशΛ͏ʱͱ ػցֶशʹΑΔαʔϏεՁͷग़ʗ্ ྫهࣄͷࣗಈྨϨίϝϯσʔγϣϯ ࣗࣾαʔϏεͰ ͜ΕΛɺαʔϏε։ൃͱಉ͡ඨͰΖ͏ͱ͍͏
ۃΛݴ͑ʰϘλϯͷ৭ʗେ͖͞Λม͑Δʱͷͱಉ͡ ։ൃϓϩηεɺ։ൃίετɺٕज़తෛ࠴ɺʑ͕ొ
ਗ਼͘ਖ਼͘͠ػցֶशΛ͏ͨΊʹ ։ൃʹ͔͔ΔظؒͱίετʁಘΒΕΔՁʁ ແɺϒʔϜΛ౿·͑ͯଟΊʹࢿΛ͢Δͷͭͷબࢶ αʔϏεͷվળεϐʔυʹ͍ͭͯདྷΕΔʁ དྷΕͳ͍ͱͨ͠ΒͲΕ͘Β͍Ϊϟοϓ͕͋Δʁ ӡ༻ίετͲΕ͘Β͍ʁ
ਗ਼͘ਖ਼͘͠ػցֶशΛ͏ͨΊʹ ։ൃʹ͔͔ΔظؒͱίετʁಘΒΕΔՁʁ ແɺϒʔϜΛ౿·͑ͯଟΊʹࢿΛ͢Δͷͭͷબࢶ αʔϏεͷվળεϐʔυʹ͍ͭͯདྷΕΔʁ དྷΕͳ͍ͱͨ͠ΒͲΕ͘Β͍Ϊϟοϓ͕͋Δʁ ӡ༻ίετͲΕ͘Β͍ʁ
ʰਫ਼ʱͱʰՁʱ ࢀߟIUUQTXXXTMJEFTIBSFOFU5PLPSPUFO/BLBZBNBTT αʔϏεͷՁ' ػցֶशϞσϧͷਫ਼ ͱͨ࣌͠ɺ 'ͲͷΑ͏ͳܗ͔ʁ ͦΕΛ౿·͑ͯͲͷΑ͏ͳظΛઃఆ͢Δ͔
ग़དྷΕαʔϏεͷاըʗઃܭΛ͢Δ࣌ʹ͜ΕΛݕ౼͖͢ αʔϏεͷվળϓϩηεʹػցֶशϞσϧ͕ר͖ࠐ·ΕΔ
ʰਫ਼ʱͱʰՁʱ ࢀߟIUUQTXXXTMJEFTIBSFOFU5PLPSPUFO/BLBZBNBTT αʔϏεͷՁ' ػցֶशϞσϧͷਫ਼ ͱͨ࣌͠ɺ 'ͲͷΑ͏ͳܗ͔ʁ ͦΕΛ౿·͑ͯͲͷΑ͏ͳظΛઃఆ͢Δ͔
ग़དྷΕαʔϏεͷاըʗઃܭΛ͢Δ࣌ʹ͜ΕΛݕ౼͖͢ αʔϏεͷվળϓϩηεʹػցֶशϞσϧ͕ר͖ࠐ·ΕΔ
ਗ਼͘ਖ਼͘͠ػցֶशΛ͏ͨΊʹ ։ൃʹ͔͔ΔظؒͱίετʁಘΒΕΔՁʁ ແɺϒʔϜΛ౿·͑ͯଟΊʹࢿΛ͢Δͷͭͷબࢶ αʔϏεͷվળεϐʔυʹ͍ͭͯདྷΕΔʁ དྷΕͳ͍ͱͨ͠ΒͲΕ͘Β͍Ϊϟοϓ͕͋Δʁ ӡ༻ίετͲΕ͘Β͍ʁ
ػցֶशͷվળϓϩηε ྫهࣄͷࣗಈྨ ࣗಈهࣄྨثͷΧςΰϦʹ ʰಈʱΛͯ͠Έ͍ͨ σʔλऩूͱੳɺϞσϧͷֶश ͋Δ͔Βिؒ͘Β͍͔͔Δͳ Ϛδ͔
ػցֶशͷվળϓϩηε ྫهࣄͷࣗಈྨ ࣗಈهࣄྨثͷΧςΰϦʹ ʰಈʱΛͯ͠Έ͍ͨ σʔλऩूͱੳɺϞσϧͷֶश ͋Δ͔Βिؒ͘Β͍͔͔Δͳ Ϛδ͔
ػցֶशͷվળϓϩηε ྫهࣄͷࣗಈྨ ࣗಈهࣄྨثͷΧςΰϦʹ ʰಈʱΛͯ͠Έ͍ͨ σʔλऩूͱੳɺϞσϧͷֶश ͋Δ͔Βिؒ͘Β͍͔͔Δͳ Ϛδ͔ αʔϏε։ൃͱϞσϧ։ൃͷ εϐʔυײʹΪϟοϓ͕͋Δ
ௗͷը૾ྨʹ͔͔Βͳ͍͕ʜ
ػցֶशͷվળϓϩηε αʔϏεͷՁ' ػցֶशϞσϧͷਫ਼ αʔϏεʗϞσϧͷվળεϐʔυʹΪϟοϓ͕͋Δ αʔϏε։ൃʹ͓͍ͯհͳίϯϙʔωϯτʹͳΓͭͭ͋Δ
ࣅͨલྫͱͯ͠ݕࡧΤϯδϯͱ͔ʁ
ਗ਼͘ਖ਼͘͠ػցֶशΛ͏ͨΊʹ ։ൃʹ͔͔ΔظؒͱίετʁಘΒΕΔՁʁ ແɺϒʔϜΛ౿·͑ͯଟΊʹࢿΛ͢Δͷͭͷબࢶ αʔϏεͷվળεϐʔυʹ͍ͭͯདྷΕΔʁ དྷΕͳ͍ͱͨ͠ΒͲΕ͘Β͍Ϊϟοϓ͕͋Δʁ ӡ༻ίετͲΕ͘Β͍ʁ
ػցֶशͱӡ༻ίετ ʰػցֶशٕज़తෛ࠴ͷߴརି͠ ҙ༁ ʱ IUUQTSFTFBSDIHPPHMFDPNQVCTQVCIUNM σʔλͷऩूʗੳʗཧ ϞσϧͷσϓϩΠͱϞχλϦϯά
͜͜·Ͱ αʔϏε։ൃͷݱͰػցֶशΛͬͯՁΛੜΈग़͍ͨ͠ ಘΒΕΔՁ' Ϟσϧͷਫ਼ Λྫྷ੩ʹݟͭΊΔ͖ αʔϏε։ൃͷεϐʔυײͷ͔ͤʹͳΒͳ͍Α͏ʹҙ
Ҏ্ ӡ༻ίετΛ౿·͑ͯɺຊʹΔ͖͔ߟ͑Δ
͜͜·Ͱ αʔϏε։ൃͷݱͰػցֶशΛͬͯՁΛੜΈग़͍ͨ͠ ಘΒΕΔՁ' Ϟσϧͷਫ਼ Λྫྷ੩ʹݟͭΊΔ͖ αʔϏε։ൃͷεϐʔυײͷ͔ͤʹͳΒͳ͍Α͏ʹҙ
Ҏ্ ӡ༻ίετΛ౿·͑ͯɺຊʹΔ͖͔ߟ͑Δ ωΨςΟϒ
ػցֶशͱαʔϏεͷվળϓϩηε Ͳ͏͢Εʁ εϐʔυʹΪϟοϓ͕͋Δͱ͍͏ೝࣝ߹Θͤ ϓϩηεͷݟ͠ ͳΔ͘ૣ͘͢Δ ྫػցֶशֶ
ػցֶशֶ ػցֶशʹؔ͢Δ։ൃϓϩηεͷվળ ػցֶशֶݚڀձͱ͍͏ͷग़དྷͨΈ͍ͨ IUUQTTJUFTHPPHMFDPNWJFXTJHNMTF ՝ҙࣝߴ·͍ͬͯΔ
ػցֶशͷӡ༻ίετ Ͳ͏͢Εʁ ӡ༻ίετΛ౿·͑ͯऔΓΉ͖͔ܾΊΔ ແɺϒʔϜΛ౿·͑ͯଟΊʹࢿΛSZ ػցֶशϓϥοτϑΥʔϜͱ͍͏બࢶ
࣍ ͍ΖΜͳػցֶश αʔϏε։ൃͱػցֶश Ϋϥυͱ͍͏બࢶ ਓೳϒʔϜͱݬ໓ظ
ػցֶशϓϥοτϑΥʔϜ ֤छΫϥυϓϥοτϑΥʔϜͷػցֶशαϙʔτ͕നԽͯ͠Δ "NB[PO4BHF.BLFS "[VSF.BDIJOF-FBSOJOH4UVEJP (PPHMF$MPVE.BDIJOF-FBSOJOH&OHJOFʑ
લड़ͨ͠Α͏ͳҙ͕ࣝߴ·͍ͬͯΔʁ
ػցֶशͱΫϥυ .-BB4ɺػցֶशϓϥοτϑΥʔϜͱ͍͏બࢶ͕͋Δ ৽͍͠ͳͷͰ༻ޠ͕৭ʑ ʰ࣮ݧ͔Βຊ൪ӡ༻·Ͱɺ౷߹తͳڥͰػցֶश͢Δʱ
ػցֶशͱΫϥυ .-BB4ɺػցֶशϓϥοτϑΥʔϜͱ͍͏બࢶ͕͋Δ ৽͍͠ͳͷͰ༻ޠ͕৭ʑ ʰ࣮ݧ͔Βຊ൪ӡ༻·Ͱɺ౷߹తͳڥͰػցֶश͢Δʱ σʔλऩूσʔλੳϞσϧߏஙֶशσϓϩΠ ͦΕͧΕͷ࣮ߦͱཧ
֤छσʔλܥαʔϏεͱͷ౷߹ σʔλऩू ੳ άϥϑΟΧϧͳύΠϓϥΠϯߏங Ϟσϧߏங ֶश
࣮ݧ݁ՌͷαʔϏεԽ σϓϩΠ ྫ"[VSF.BDIJOF-FBSOJOH4UVEJP
ػցֶशͱΫϥυ ̋ڞ௨ج൫ԽʹΑͬͯӡ༻ίετ͕ݮग़དྷΔ ̋ج൫্ʹߏங͞ΕΔߴڃͳػೳͷԸܙ͕ड͚ΒΕΔ "#ςετɺਫ਼ϞχλϦϯά ଟɺকདྷతʹɺ
˚طଘϦιʔεͱͷ౷߹ίετ ػցֶशʹݶΒͳ͍ͳͷͰࠓճεϧʔ ˚(FOFSJDBOE&YUFOTJWFͱ͍͏ཁ݅
5'9"5FOTPS'MPX#BTFE1SPEVDUJPO4DBMF.BDIJOF-FBSOJOH1MBUGPSN ΑΓ l5IFNBDIJOFMFBSOJOHQMBUGPSNNVTUCFHFOFSJD FOPVHIUPIBOEMFUIFNPTUDPNNPOTFUPGMFBSOJOH UBTLTBTXFMMBTCFFYUFOTJCMFUPTVQQPSUPOFP⒎ BUZQJDBMVTFDBTFTz IUUQTEMBDNPSHDJUBUJPODGN JE ҙ༁ .-BB4แׅత͔֦ͭுՄೳͰ͋Δ͖
(FOFSJDBOE&YUFOTJWF ʰ࣮ݧ͔Βຊ൪ӡ༻·Ͱɺ౷߹తͳڥͰػցֶशʱ ͠Α͏ͱ͍ͯ͠Δ (FOFSJDͳΔ͘ଟ͘ͷϢʔεέʔεʹ ಁաతʹ ରԠ͍ͨ͠ ྑ͍நԽͱ"1*֦ॆͷؤுΓ
&YUFOTJWFྫ֎తͳέʔεʹରͯ͠ গͳ͍࿑ྗͰ ରԠ͍ͨ͠ ҙͷίʔυΛࠩ͠ࠐΊΔॴΛ༻ҙ͢Δɺͱ͔ʜ
(FOFSJDBOE&YUFOTJWF ʰ࣮ݧ͔Βຊ൪ӡ༻·Ͱɺ౷߹తͳڥͰػցֶशʱ ͠Α͏ͱ͍ͯ͠Δ (FOFSJDͳΔ͘ଟ͘ͷϢʔεέʔεʹ ಁաతʹ ରԠ͍ͨ͠ ྑ͍நԽͱ"1*֦ॆͷؤுΓ
&YUFOTJWFྫ֎తͳέʔεʹରͯ͠ গͳ͍࿑ྗͰ ରԠ͍ͨ͠ ҙͷίʔυΛࠩ͠ࠐΊΔॴΛ༻ҙ͢Δɺͱ͔ʜ ࣮αʔϏεͰͷӡ༻࣮ϓϥοτϑΥʔϜख़ ͕͞ΕΔͱ͜Ζ
(FOFSJDBOE&YUFOTJWF ʰ࣮ݧ͔Βຊ൪ӡ༻·Ͱɺ౷߹తͳڥͰػցֶशʱ ͠Α͏ͱ͍ͯ͠Δ (FOFSJDͳΔ͘ଟ͘ͷϢʔεέʔεʹ ಁաతʹ ରԠ͍ͨ͠ ྑ͍நԽͱ"1*֦ॆͷؤுΓ
&YUFOTJWFྫ֎తͳέʔεʹରͯ͠ গͳ͍࿑ྗͰ ରԠ͍ͨ͠ ҙͷίʔυΛࠩ͠ࠐΊΔॴΛ༻ҙ͢Δɺͱ͔ʜ ݱͱͯ͠ ͬͯΈΔࣄྫΛ࡞Δࣄ͔Β࢝ΊΑ͏
͜͜·Ͱ·ͱΊ
࣍ ͍ΖΜͳػցֶश αʔϏε։ൃͱػցֶश Ϋϥυͱ͍͏બࢶ ਓೳϒʔϜͱݬ໓ظ
ਓೳϒʔϜ ʰୈ࣍ਓೳϒʔϜʱ ͷౙ͔͍ͬͯΔʁ
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ਓೳϒʔϜ ਓೳ࣮ݱͷखஈͷ̍ͭͱͯ͠ͷػցֶशʹ͕ू·Δ ΛΘͳ͍ػցֶशͷԠ༻ʹର͢Δظ͕͍͢͝ ιϑτΣΞ։ൃͷݱͰۙʹ؍ଌͰ͖Δͷ?͜ΕͷҰ෦ ྫʮػցֶशͰͳΜͱ͔͢Δʯ
ਓೳϒʔϜ ਓೳ࣮ݱͷखஈͷ̍ͭͱͯ͠ͷػցֶशʹ͕ू·Δ ΛΘͳ͍ػցֶशͷԠ༻ʹର͢Δظ͕͍͢͝ ιϑτΣΞ։ൃͷݱͰۙʹ؍ଌͰ͖Δͷ?͜ΕͷҰ෦ ྫʮػցֶशͰͳΜͱ͔͢Δʯ ظͱݱঢ়ͷΪϟοϓݬ໓ͷҼࢠ
ਓೳϒʔϜ Ͳ͏͢Εʁ ਖ਼͘͠ظ͢Δ ͪ͜Β͋·ΓίϯτϩʔϧͰ͖ͳ͍ʜ ظʹԠ͑ΔҝʹؤுΔ ࠓͨ͠ͱ͔
·ͱΊ ػցֶश͕Γ্͕͍ͬͯΔ αʔϏε։ൃͱ͍͏จ຺Ͱ Α͍͖߹͍ํΛࡧ͍͖͍ͯͨ͠ ӡ༻ίετɺਫ਼ͱՁͷ͕ؔॏཁͳΧΪ
·ͱΊ ػցֶश͕Γ্͕͍ͬͯΔ αʔϏε։ൃͱ͍͏จ຺Ͱ Α͍͖߹͍ํΛࡧ͍͖͍ͯͨ͠ ӡ༻ίετɺਫ਼ͱՁͷ͕ؔॏཁͳΧΪ
ͦΕͦΕͱͯ͠ σΟʔϓϥʔχϯάͷՄೳੑੌ͍ ͱࢥ͏ ͷͰɺಓʹ͍ͬͯ͘
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