Amazone Machine Learningについて

"NB[PO.BDIJOF -FBSOJOHʹ͍ͭͯ দԬ༞Ұ

ΞδΣϯμ w ಋೖʹ͋ͨͬͯͷ࢖༻৚݅ w ͲͷΑ͏ͳ͜ͱ͕Ͱ͖Δ͔ʁ w ػցֶशͱ͸ʁ w "NB[PO.-ͷಋೖํ๏ w
1)1Ͱͷ"1*αϯϓϧ w ·ͱΊ w ࢀߟࢿྉ

ಋೖʹ͋ͨͬͯͷ࢖༻৚݅ w 4΋͘͠͸SFETIJGUʹֶश༻ͷσʔλΛஔ͘ඞཁ ͕͋Δ w "NB[PO.BDIJOF-FBSOJOH͸64ɹ &BTU /7JSHJOJB ϦʔδϣϯͰར༻Մೳ

ͲͷΑ͏ͳ͜ͱ͕Ͱ͖Δ͔ʁ "NB[PO.-Ͱ͸ɺػցֶशςΫϊϩδʔ͕؆୯ʹ࢖༻Ͱ͖ΔαʔϏεͰ͢ɻ େྔͷσʔλΛ෼ੳ͠ɺ਺ֶతͳཪ෇͚ΛऔΔ͜ͱ͕Մೳɻ ͦͷσʔλ܈ͷத͔Β૬ؔੑΛݟ͚ͭɺߴ඼࣭ͳ༧ଌ͕ՄೳͱͳΔɻ ػցֶशΛద੾ʹར༻͢Δͱɺෆਖ਼ݕ஌΍धཁ༧ଌɺ޿ࠂͷλʔήςΟϯάͳͲʹ໾ཱͯΒΕ ·͢ɻ ۩ମతʹ͸ɺ".-ʹΑΓେྔͷσʔλ͔Βચ࿅͞Εͨ༧ଌϞσϧΛߏங͠ɺεέʔϥϏϦςΟ Λ࣋ͬͨ༧ଌͷ࣮ߦΛ͢Δ͜ͱ͕ՄೳͱͳΓ·͢ɻ ౷ܭʹ͍ͭͯͷਂ͍஌ࣝ΍ֶҐΛ͍࣋ͬͯͳͯ͘΋ར༻ՄೳͰɺ͜ΕΒͷॲཧΛ͢ΔͨΊͷεέʔ ϥϏϦςΟʔΛ࣋ͬͨΠϯϑϥΛߏஙɾӡ༻͢Δඞཁ͸ͳ͍ɻ

ͲͷΑ͏ͳ͜ͱ͕Ͱ͖Δ͔ʁ ྫ w εύϜϝʔϧ൑ఆʢաڈͷϝʔϧΞʔΧΠϒΛݩʹ̎஋෼ ྨʣ w ঎඼ɺχϡʔεͳͲͷΧςΰϦ෼ྨʢଟ஋ɺଟ߲෼ྨʣ w ໌೔ͷച্༧ଌʢճؼ෼ੳʣ w
طଘސ٬͕৽نαʔϏεʹొ࿥ͯ͘͠ΕΔ͔ʢճؼ෼ੳʣ  ͳͲ

ͦ΋ͦ΋ػցֶशͱ͸ʁ ػցֶशΛ׆༻͢ΔͨΊʹ͸ɺ·ֶͣश༻ͷσʔλ͕ඞཁɻ σʔλϕʔε΍εϓϨουγʔτͳͲɻ ߦ͸ͦΕͧΕ̍ͭͷσʔλϨίʔυʢҰͭͷߪೖΞΠςϜɺҰͭͷ഑ૹઌʣΛද͠ɺྻ͸ͦΕͧΕɺ༣ศ൪߸΍ ߪೖՁ֨ͷΑ͏ͳσʔλͷଐੑΛද͠·͢ɻ ͜ΕΒͷσʔλ͸࣮ࡍͷ༧ଌ݁ՌͷྫΛ࣋ͭඞཁ͕͋Δɻ ྫ͑͹ɺਖ਼ৗɺෆਖ਼ͳ΋ͷ͕ೖΓࠞͬͨ͡঎औҾͷτϥϯβΫγϣϯͷσʔλɾηοτ͕͋Γɺ͢΂ͯͷߦ͸ͦ Ε͕ਖ਼ৗ͔ෆਖ਼͔Λද݁͢ՌΛ͍࣋ͬͯΔඞཁ͕͋Δɻ ͜ΕΛʮ໨తม਺ʯͱݺͿɻ ৽نͷσʔλ͕ೖྗ͞ΕΔͱ͜ͷϞσϧʹ΋ͱ͍ͮͯෆਖ਼൑ఆͳͲͷ༧ଌΛߦ͏ɻ
༧ଌͷख๏͸େ͖͘Θ͚ͯ̏ͭ͋Δɻ

༧ଌख๏ͭ #JOBSZDMBTTJpDBUJPOʢೋ஋෼ྨɾೋ߲෼ྨʣ .VMUJDMBTTDMBTTJpDBUJPOʢଟ஋෼ྨɾଟ߲෼ྨʣ 3FHSFTTJPOʢճؼ෼ੳʣ

༧ଌख๏ͭ #JOBSZDMBTTJpDBUJPOʢೋ஋෼ྨɾೋ߲෼ྨʣ ೖྗ͞ΕͨσʔλΛ̎ͭͷબ୒ࢶͷͲͪΒ͔ʹ෼ྨ͢Δɻྫ͑͹ɺ ʮ͜Ε͸ਖ਼ৗͳऔҾͰ͋ͬͨͷ͔ʁʯͰ͋ͬͨΓʮ͜ͷސ٬͸͜ͷ ঎඼Λങ͏͔Ͳ͏͔ʁʯʮ͜ͷॅॴ͸ҰݢՈͳͷ͔ू߹ॅ୐ͳͷ ͔ʁʯ ͱ͍ͬͨΑ͏ͳ໰୊ͷ༧ଌʹར༻͞Ε·͢ɻ  ˠ͔͕ೖΔλʔήοτଐੑʢ5BSHFU"UUSJCVUFʣΛࢦఆ  ग़ྗ݁Ռ͕ͭͷͲͪΒ͔ 
ˠֶशΞϧΰϦζϜ͸ɺ  ɹϩδεςΟοΫճؼʴ֬཰తޯ഑߱Լ๏

༧ଌख๏ͭ .VMUJDMBTTDMBTTJpDBUJPOʢଟ஋෼ྨɾଟ߲෼ྨʣ ೖྗ͞ΕͨσʔλΛ̏ͭҎ্ͷબ୒ࢶͷ͏͍ͪͣΕ͔ʹ෼ྨ͢Δɻ  ྫ͑͹ɺʮ͜ͷ঎඼͸ຊͳͷ͔ɺ%7%ͳͷ͔ɺ΋͘͠͸ҥྨͳͷ͔ʯͰ ͋ͬͨΓɺʮ͜ͷөը͸ίϝσΟͳͷ͔ɺυΩϡϝϯλϦʔͳͷ͔ɺϗ ϥʔͳͷ͔ʯɺʮ͜ͷϢʔβ͸ͲͷΧςΰϦʹ΋ͬͱ΋ڵຯ͕༗Δͷ ͔ʁʯͱ͍ͬͨΑ͏ͳ໰୊ʹ༻͍ΒΕ·͢ɻ    ˠग़ྗ݁Ռ͕ͭͷͲͪΒ͔ ˠֶशΞϧΰϦζϜ͸
ɹଟΫϥεϩδεςΟοΫճؼʴ֬཰తޯ഑߱Լ๏

༧ଌख๏ͭ 3FHSFTTJPOʢճؼ෼ੳʣ਺஋༧ଌ ஋ͷ༧ଌʹར༻͞Ε·͢ɻ ྫ͑͹ʮΠϯνϞχλͷࡏݿ͸Ͳͷ͘Β͍͓࣋ͬͯ͘΂͖͔ʁʯͩͬͨΓ ʮ͜ͷ঎඼ͷ஋ஈ͸͍͘Βʹ͢΂͖͔ʁʯʮ͜ͷ঎඼ͷച্ͷ͏ͪԿׂ͘Β ͍͕Ϊϑτͱͯ͠ൢച͞ΕΔ͔ʁʯ  ͱ͍ͬͨΑ͏ͳ໰୊ʹ༻͍ΒΕ·͢ɻ
ˠग़ྗ݁Ռ͸਺஋    ˠֶशΞϧΰϦζϜ͸ ɹઢܗճؼʴ֬཰తޯ഑߱Լ๏

ద੾ʹ܇࿅͞ΕͨϞσϧ͸༧ଌख๏ͭͷ໰୊ͷ͏ͪɺ͍ͣΕ͔ͻͱͭʹ౴͑Λఏڙͯ͘͠Ε·͢ɻ ͔͠͠৔߹ʹΑͬͯ͸ෳ਺ͷϞσϧʹಉ͡܇࿅σʔλΛར༻͢Δ͜ͱ΋͋Γ·͢ɻ ػցֶशΛ࢝ΊΔʹ͋ͨͬͯɺ·ͣ΍Δ΂͖͜ͱ͸σʔλͷྔ΍࣭Λ͍͋͛ͯ͘͜ͱɻ    ˞σʔλͷલॲཧ͸ࣗલͰ͢Δඞཁ͕͋Δ ͜Ε͸΋ͪΖΜֶशϓϩηεͷਫ਼౓Λ͋͛ΔͨΊɻ ؆୯ͳྫͩͱɺ༣ศ൪߸Λϕʔεʹͨ͠஍ཧ৘ใ͔ΒऩूΛ࢝Ίͨͱ͠·͢ɻ ͋ΔҰఆظؒ΍͋Δఔ౓ͷ෼ੳΛܦΔ಺ʹɺ༣ศ൪߸Ҏ֎ͷଐੑΛ߹Θͤͯར༻͢Δ͜ͱʹΑΓɺ ΑΓ༧ଌͷਫ਼౓Λ্͛Δ͜ͱ͕Ͱ͖Δ͜ͱʹ͖ͮ͘Ͱ͠ΐ͏ɻػցֶशͷϓϩηε͸൓෮తͳ΋ͷͰ͋ Γɺ
܇࿅σʔλ͔ΒϞσϧߏஙͱ༧ଌΛ࣮ࢪ͠ɺͦͷ݁ՌΛධՁ͠ɺߋʹ܇࿅σʔλΛΑΓચ࿅ͤ͞Δͱ͍ ͏ϓϩηεΛ܁Γฦ͍ͯ͘͜͠ͱ͕ඞཁɻ ࢝ΊΔʹ͋ͨͬͯ ஌͓ͬͯ͘΂͖͜ͱ

࢝ΊΔʹ͋ͨͬͯ ஌͓ͬͯ͘΂͖͜ͱ ߏஙϞσϧͷධՁϓϩηεʹࡍͯ͠ɺࢲͨͪ͸͍͔ͭ͘ͷϝτϦΫεΛར༻͢Δ͜ͱ͕Մೳɻ ྫ͑͹"6$ʢ"SFB6OEFS$VSWF ۂઢԼ໘ੵʣ͸ೋ෼ྨ஋ͷ඼࣭ଌఆʹར༻͞Ε·͢ɻ ͜Ε͸͔Βͷؒͷුಈখ਺఺ͰɺϞσϧʹΑ࣮ͬͯࢪ͞Εͨ༧ଌͷෆ࣮֬ੑΛද͠·͢ɻ ͜ͷ஋͕͔Βʹ্͕Δͱ༧ଌਫ਼౓͕͕͋ͬͨ͜ͱΛࣔ͢ɻ ͔͠͠"6$͕΋͘͠͸ͦΕʹඇৗʹ͍ۙ஋Λͱ͍ͬͯΔͱɺ܇࿅σʔλʹ໰୊͕͋Δ͜ͱ΋ද͠· ͢ɻ Α͋͘Δ໰୊ͱͯ͠PWFSpUUJOHʢաֶशɺա৒ֶशʣͱ͍͏΋ͷ͕͋Γ·͢ɻ
͜Ε͸܇࿅σʔλʹ໨తσʔλΛؚΊͯ͠·͏͜ͱʹΑͬͯɺҾ͖ى͜͞ΕΔ໰୊ͰɺϞσϧ͕ͦΕ΄ Ͳ౒ྗͤͣʹύλʔϯΛݟ͚ͭग़ͤͯ͠·͏ঢ়ଶΛ΋ͨΒ͠·͢ɻ ·ͨ"6$͕ʹ͍ۙঢ়ଶʹ͓͍ͯ͸͝൑அ͕༰қʹى͜Γ·͢ɻ ͜ͷ໰୊͸܇࿅σʔλͷϥϕϧ෇ͷؒҧ͍ʹΑͬͯҾ͖ى͜͞ΕΔ͜ͱ͕͋Γ·͢ɻ

̎஋෼ྨϞσϧΛߏங͍ͯ͘͠աఔͰɺ༧ଌͷ݁ՌΛϨϏϡʔ͠ɺDVUP⒎ʢᮢ஋ʣͷௐ੔Λ ͍ͯ͘͠ඞཁ͕͋Δɻ͜ͷม਺͸༧ଌͷਖ਼͠͞ͷཱ֬ɺ͔֬Β͠͞Λද͠·͢ɻ औΓѻ͏໰୊ʹ͓͚ΔGBMTFQPTJUJWFʢຊདྷGBMTFͱ൑ఆ͞ΕΔ΂͖΋ͷ͕USVFͱ൑ఆ͞ΕΔ ͜ͱʣͱGBMTFOFHBUJWFʢຊདྷUSVFͱ൑ఆ͞ΕΔ΂͖΋ͷ͕GBMTFͱ൑ఆ͞ΕΔ͜ͱʣ ͦΕͧΕͷॏཁ౓ɺΫϦςΟΧϧ౓ʹ߹ΘͤͯDVUP⒎Λௐ੔͢Δ͜ͱ͕Ͱ͖Δɻ εύϜϝʔϧͷ൑ఆͷྫΛߟ͑ͯΈ·͢ɻ GBMTFOFHBUJWF͕ى͜ΔͱɺεύϜϝʔϧ͕ϝʔϧϘοΫεʹೖΔɻ GBMTFQPTJUJWF͕ى͜Δͱɺॏཁ৔ϝʔϧ͕εύϜϑΟϧλʹҾ͔͔ͬΔɻ ͜ͷ৔߹ɺޙऀͷํ͕ΫϦςΟΧϧͳ໰୊Ͱ͋Δ͜ͱ͸໌നɻ ͜͏͍ͬͨ͜ͱ͕ى͜Βͳ͍Α͏ʹDVUP⒎Λௐ੔͠ɺ൑ఆͷཱ֬Λ
ͲͪΒଆʹ౗͢ͷ͔ͱ͍͏ͷΛௐ੔͢Δɻ ࢝ΊΔʹ͋ͨͬͯ ஌͓ͬͯ͘΂͖͜ͱ

Ϟσϧͷ࡞੒͔Β༧ଌͷ࣮ߦ ·ͣͪ͜Β͔ΒαΠϯΞοϓ  IUUQTBXTBNB[PODPNKQNBDIJOF MFBSOJOH

Ϟσϧͷ࡞੒͔Β༧ଌͷ࣮ߦ ·ͣͪ͜Β͔ΒαΠϯΞοϓ  IUUQTBXTBNB[PODPNKQNBDIJOFMFBSOJOH σʔλιʔε࡞੒͔ΒϞσϧͷߏங ͪ͜Β͔ΒCBOL[JQΛμ΢ϯϩʔυʢCBOLNBSLFUJOHEBUBTFU ʣIUUQTBSDIJWFJDTVDJFEVNMNBDIJOFMFBSOJOHEBUBCBTFT     
͜ͷސ٬͸৽αʔϏεʹొ࿥ͯ͘͠ΕΔ͔Ͳ͏͔ʁͱ͍͏໰୊ʹ౴͑Λग़͠ ·͢ɻ όον༧ଌͷ࣮ߦ

σʔλιʔεݩʹ͍ͭͯͷ  ิ଍ σʔλιʔε࡞੒ݩʹ͍ͭͯɺ CBOLNBSLFUJOHEBUBTFU IUUQTBSDIJWFJDTVDJFEVNMNBDIJOFMFBSOJOHEBUBCBTFT    ͜ͷαϯϓϧσʔλ͸ΧϦϑΥϧχΞେֶΞʔόΠϯߍ͕ެ։͍ͯ͠Δσʔληοτ Ͱɺ  ϙϧτΨϧͷۚ༥ػؔͷఆظ༬ۚΩϟϯϖʔϯʹؔ͢ΔσʔλͰ͢ɻ  σʔλͷ಺༰͸೥ྸ΍৬ۀͳͲͷސ٬৘ใɺΩϟϯϖʔϯΛҊ಺ͨ࣌͠ظɺফඅऀ෺Ձ
ࢦ਺ͳͲͷܦࡁ৘ใͰɺ༧ଌ͍ͨ͜͠ͱʢUBSHFUʣ͸ʮސ٬͕ఆظ༬ۚΛܖ໿͢Δ͔ Ͳ͏͔ʯͰ͢ɻνϡʔτϦΞϧͰ͸ɺఆظ༬ۚΛܖ໿ͨ͠ސ٬Λ QPTJUJWF ɺܖ໿͠ ͳ͔ͬͨސ٬Λ OFHBUJWF ͱͯ͠ɺCJOBSZDMBTTJpDBUJPOΛ࢖ͬͯ൑ఆΛߦ͍·͢ɻ    ސ٬͕ఆظ༬ۚΛܖ໿͢Δ͔Ͳ͏͔ʁͱ͍͏໰୊ʹ౴͑Λग़͠·͢ɻ

4্ͷσʔλΛೖྗ ೖྗޙͪ͜ΒΛΫϦοΫޙɺ  $POUJOVF

4্ͷσʔλʹ  ϦʔυύʔϛογϣϯΛ༩͑Δ

:&4ʹνΣοΫ

ྻͷܕਪଌ

5BSHFUͷબ୒ ͜ͷσʔλɾιʔεΛػցֶशϞσϧͷධՁͱߏஙʹར༻͢ΔͨΊʹ͸܇࿅ม਺Λࢦఆ ͯ͠΍Δඞཁ͕͋Γ·͢ɻ ͜ͷσʔλɾηοτͷ܇࿅ม਺ʢZʣ͸όΠφϦܕͳͷͰɺ͔͜͜Βߏங͞ΕΔ༧ଌϞ σϧ͸̎஋෼ྨΛར༻͢Δ͜ͱʹͳΓ·͢ɻ

3PX*%͸OPͷ··DPOUJOVF

3FWJFXͰ'JOJTIΛΫϦοΫ  ਺෼ޙσʔλιʔεͷ࡞੒͸਺෼Ͱ׬ྃ͢Δɻ

σʔλιʔε࡞੒ྲྀΕɺ͓͞Β͍ CBOLDTWΛ4ʹΞοϓϩʔυͯ͠ɺ"NB[PO.BDIJOF-FBOJOH͔ΒΞΫηεՄೳͳΑ͏ʹ*".1PMJDZΛઃఆ͠·͢ɻ  ΞΫηεڐՄɺʮશһʯɺʮ։͘μ΢ϯϩʔυʯʹνΣοΫΛೖΕͯɺอଘɻ ࣍ʹɺ"NB[PO.BDIJOF-FBSOJOH%BUBTPVSDFΦϒδΣΫτΛ࡞੒͠ɺઌ΄ͲΞοϓϩʔυͨ͠ϑΝΠϧʹΛΦϒδΣΫτʹ༩͑Δɻ ͜ͷΦϒδΣΫτ͸σʔλͷ৔ॴ΍ม਺໊ɺܕɺ໨తม਺ͷ໊લɺ֤ม਺ͷهड़౷ܭͳͲΛอ࣋͢Δɻ "NB[PO.-ͷ΄ͱΜͲͷૢ࡞ɺΦϖϨʔγϣϯ͸͜ͷ%BUBTPVSDFΛࢀর͢Δɻ "NB[PO.-͸%BUBTPVSDFʹ"NB[PO3FETIJGU΍.Z42-ʢ΋ͪΖΜ"NB[PO3%4GPS.Z42-΋ʣΛ ར༻͢Δ͜ͱ΋Մೳɻ্هͷεΫϦʔϯγϣοτͷը໘Ͱ3FE4IJGUΛબ୒͢ΔͱɺΫϥελ໊΍σʔλϕʔε໊ɺΫϨσϯγϟϧ΍σʔ λऔಘͷͨΊͷ42-ΫΤϦͳͲͷೖྗΛٻΊΒΕ·͢ɻ "NB[PO.BDIJOF-FBSOJOH͸ϑΝΠϧΛૢ࡞͠ɺͦΕͧΕͷྻͷܕਪଌΛߦ͍ɺԼهͷΑ͏ʹεΩʔϚͷఏҊΛͯ͘͠Ε·͢
ʮ%POFUIFpSTUMJOFJOZPVS$47DPOUBJOUIFDPMVNOOBNFT ʯͷͱ͜Ζɺ:&4ʹνΣοΫ͢ΔͱྻͷܕਪଌΛࣗಈͰͯ͘͠Ε· ͢ɻ ࠓճͷέʔεͰ͸ܕਪଌ͸͢΂ͯਖ਼͔ͬͨ͠Ͱ͕͢ɺͦ͏Ͱͳ͍Մೳੑ΋͋ΔͷͰɺ$IBOHF5ZQFΛΫϦοΫ͠ɺखಈͰमਖ਼ՄೳͰ͢ɻ   5BSHFUΛࡾϖʔδ໨ͷZʢ#JOBSZ$MBTTJpDBUJPOʣʹνΣοΫΛ͍ΕɺDPOUJOVF  3PX*%͸OPͷ··DPOUJOVF  3FWJFXͰ'JOJTIΛΫϦοΫ    ਺෼ޙσʔλιʔεͷ࡞੒͸਺෼Ͱ׬ྃ͢Δɻ 

"NB[PO.BDIJOF-FBSOJOH %BUBTPVSDFΦϒδΣΫτʹ͍ͭͯ "NB[PO.BDIJOF-FBSOJOHͷ΄ͱΜͲͷૢ࡞ɺΦϖϨʔγϣϯ͸͜ͷ%BUBTPVSDFΛࢀর͢Δɻ ΦϒδΣΫτ͸ࣗಈతʹଐੑ͕༩͑ΒΕΔɻ ΧϥϜଐੑͷछྨ͸ͭɺ w /6.&3*$ʢ਺ࣈʣ w $"5&(03*$"-ʢΧςΰϦʣ w
5&95ʢςΩετʣ w #*/"3:ʢόΠφϦʣ ͜ΕΒͷΧϥϜଐੑΛఆٛͯ͠ʮεΩʔϚʢ4DIFNBʣʯͱ͢Δɻ ˞ݱ࣌఺Ͱɺ೔෇ʹؔ͢Δܕ͸ͳ͍

σʔλɾιʔεͷ"UUSJCVUFT/VNFSJDΛ֬ೝɺ  BHFྻͷӈଆͷQSFWJFXΛΫϦοΫ͢Δͱɺ σʔλ෼෍Λ֬ೝ͢Δ͜ͱ͕Ͱ͖Δɻ

Ϟσϧͷ࡞੒ ࠓճ͸σϑΥϧτͷઃఆΛར༻͢Δ͜ͱʹ͢Δɻ "NB[PO.BDIJOF-FBSOJOH͸σϑΥϧτͰσʔληοτͷΛ܇࿅༻ σʔλɺΛධՁσʔλͱͯ͠ར༻͠·͢ɻ  ༩͑Δαϯϓϧσʔλ͸ࣄલʹγϟοϑϧʢฏۉԽʣ͞Ε͍ͯΔͷͰɺ৽ͨ ͳσʔλιʔεͰ΍Δ৔߹͸ࣗલͰલॲཧΛߦ͏ඞཁ͕͋Δ

σʔλιʔε͔ΒϞσϧ࡞੒

Ϟσϧઃఆ

ϞσϧઃఆSFWJFXը໘  ΧελϜΦϓγϣϯΛબ୒͢Δ৔߹ɺ"NB[PO.-͕σʔλιʔεͷσʔλ ηοτΛ੔ܗͨ͠Γ͢ΔͨΊʹɺར༻͢ΔϨγϐΛ ΧελϚΠζ͢Δ͜ͱ͕Մೳ

ϞσϧઃఆpOJTI  ࠷ޙʹpOJTIΛԡ͠ɺ"NB[PO.BDIJOF-FBSOJOH͕Ϟσϧͷ࡞੒Λ։࢝͢ ΔɻϞσϧͷ࡞੒ʹ͸গ͕͔͔࣌ؒ͠Γ·͢ɻ෼͘Β͍ɻ

Ϟσϧ࡞੒ޙɹσʔλιʔεҰཡը໘  Ϧετʹͭදࣔ͞Ε͍ͯ·͢ɻ ɾσʔλશମ ɾධՁ༻σʔλʢʣ ɾ܇࿅༻σʔλʢʣ

Ϟσϧ࡞੒ޙɹ඼࣭ϝτϦΫεը໘  "6$είΞ͸Ͱ͢ɻ ͜Ε͸৴པͰ͖Δ਺஋ʢʙʣΛද͍ͯ͠·͢ɻ

Ϟσϧ࡞੒ޙɹ඼࣭ϝτϦΫεը໘ɹϞσϧύϑΥʔϚϯεௐ੔  ৽αʔϏεʹొ࿥ͯ͘͠Εͦ͏ͳΑΓΑ͍ސ٬Λબ୒͢ΔͨΊɺ"EKVTU 4DPSF5ISFTIPMEΛΫϦοΫͯ͠ɺ ͷϨίʔυ͚͕ͩZͷ஋͕ͱ൑அ͞ΕΔͱ͏ʹDVUP⒎ʢᮢ஋ʣͷ஋Λௐ ੔ͯ͠Έ·͢ɻ DMJDL ᮢ஋ͷௐ੔ ͷਖ਼౴཰

Ϟσϧ࡞੒ޙɹ඼࣭ϝτϦΫεը໘ɹϞσϧύϑΥʔϚϯεௐ੔ޙ  ͜ͷઃఆʹͯGBMTFQPTJUJWFͷ஋͸ʹ཈͑ΒΕ·͢ɻ ͕ͦͯ͠GBMTFOFHBUJWFͱ൑ఆ͞Εɺ ࢒Γͷ͕ਖ਼͍͠൑ఆΛ͞ΕΔͱ͍͏͜ͱʹͳΓ·͢ɻ ࠓճͷέʔεͰ͸GBMTFQPTJUJWF͸๬·͘͠ͳ͍ͱ͍͏ߟ͔͑Βɺ͜ΕΛग़དྷΔݶΓආ͚Δ ઃఆͱ͠·ͨ͠ɻ ࣮ࡍͷϏδωεΛ૝૾ͯ͠ΈΔͱɺ͜ΕʹΑΓؒҧͬͨސ٬ʹରͯ͠ߴίετͷϓϩϞʔ γϣϯΛ࣮ࢪ͢Δ͜ͱΛආ͚Δࣄ͕Ͱ͖ΔΘ͚Ͱ͢ɻ

Ϟσϧ࡞੒ޙɹ඼࣭ϝτϦΫεը໘ɹϞσϧύϑΥʔϚϯεௐ੔  ༻ޠղઆ ਖ਼ղ཰ ਖ਼݁͘͠Ռ͕ग़ͨ ਖ਼݁͘͠Ռ͕ग़ͳ͔ͬͨ ޡ౴཰ ؒҧͬͨ݁Ռ͕ग़ͨ ؒҧͬͨ݁Ռ͕ग़ͳ͔ͬͨ ܖ໿͢Δਓͷׂ߹ ܖ໿͠ͳ͍ਓͷׂ߹
ᮢ஋

Ϟσϧ࡞੒ޙɹ඼࣭ϝτϦΫεը໘ɹϞσϧύϑΥʔϚϯεௐ੔  ༻ޠղઆ ˙"DDVSBDZʢਖ਼౴཰ʣ w શσʔλͷதͰਖ਼͘͠༧ଌ͞Εͨσʔλͷׂ߹ ˙'BMTFQPTJUJWFSBUF w ࣮ࡍ͸ͷσʔλΛޡͬͯ̍ͱ༧ଌׂͨ͠߹ w Ͱ͋ΔσʔλΛग़དྷΔ͚ͩਖ਼͘͠༧ଌ͍ͨ͠৔߹͸'BMTFQPTJUJWFSBUFΛখ͘͞
˙1SFDJTJPOʢਫ਼౓ʣ݁ՌͷதʹͲͷఔ౓ਖ਼ղؚ͕·ΕΔ͔ w ͱ༧ଌͨ͠σʔλͷதͰ࣮ࡍʹͰ͋ͬͨσʔλͷׂ߹ w ͱ༧ଌͨ݁͠ՌʹޡΓؚ͕·Ε͍ͯΔͷΛ๬·ͳ͍৔߹1SFDJTJPOΛେ͖͘͢Δ ˙3FDBMMʢ࠶ݱ཰ʣਖ਼ղͷ͏ͪɺͲͷఔ౓ਖ਼͘͠༧ଌ͢Δ͔ w ࣮ࡍͰ͋ΔσʔλͷதͰͱ༧ଌ͞Εͨσʔλͷ৔߹ w Ͱ͋ΔσʔλΛͰ͖Δ͚ͩਖ਼͘͠༧ଌ͍ͨ͠৔߹3FDBMMΛେ͖͘͢Δ

ϞσϧධՁई౓ܭࢉ Ϟσϧશମ͕ྑ͍͔ධՁ͢Δई౓ͱͯ͠'஋ʢ'NFBTVSF 'TDPSFʣ͕͋Γ·͢ɻ  1SFDJTJPOͱ3FDBMM͸τϨʔυΦϑͷؔ܎Ͱ͋ΔͨΊɺ͜ΕΒ͕όϥϯεΑ͘ڞʹେ͖͍஋Ͱ͋Ε͹  ྑ͍Ϟσϧͱ͍͑·͢ɻ  '஋͸ҎԼͷࣜͰࢉग़͠·͢ɻ 'NFBTVSF 1SFDJTJPO 3FDBMM 1SFDJTJPO
3FDBMM σϑΥϧτͷϞσϧ͸'஋͕Ͱ͕ͨ͠ɺνϡʔχϯάͨ͠ޙ͸'஋͕ͱͳΓɺϞσϧͱͯ͠΋  ྑ͘ͳͬͨͱ͍͑·͢ɻ    ௐ੔લ ᮢ஋ 1SFDJTJPO 3FDBMM      ௐ੔ޙ  ᮢ஋1SFDJTJPO 3FDBMM

ϞσϧධՁई౓ܭࢉ͔Βͷߟ࡯ ܖ໿͢ΔͱݟࠐΜͩސ٬ʢσʔλ͸̍ʣΛ࣮ࡍ̍ͱ༧ଌ͍ͨ͠৔߹  1SFDJTJPOͷ஋ΛߴΊʹઃఆ͢Δ͜ͱʹΑͬͯɺ  'BMTFQPTJUJWFSBUF͕Լ͕ΓɺΑΓਖ਼ղ཰͕ߴ·Δ͕ɺ  औΓ͜΅͕͠૿͑Δʢ'BMTFOFHBUJWF͕ଟ͍ʣ

ϞσϧධՁई౓ܭࢉ͔Βͷߟ࡯ ܖ໿͢ΔͱݟࠐΜͩސ٬ʢσʔλ͸̍ʣΛ࣮ࡍ̍ͱ༧ଌ͍ͨ͠৔߹  1SFDJTJPOͷ஋ΛߴΊʹઃఆ͢Δ͜ͱʹΑͬͯɺ  'BMTFQPTJUJWFSBUF͕Լ͕ΓɺΑΓਖ਼ղ཰͕ߴ·Δ͕ɺ  औΓ͜΅͕͠૿͑Δʢ'BMTFOFHBUJWF͕ଟ͍ʣ ˠܖ໿͢ΔՄೳੑͷ͋Δސ٬͚ͩʹޮՌతʹɺࢪࡦΛଧ͍ͪͨ৔߹ʹ༗ޮ  ؒҧͬͨސ٬ʹରͯ͠ߴίετͷϓϩϞʔγϣϯΛ࣮ࢪ͢Δ͜ͱΛආ͚Δ ਫ਼౓ॏࢹ

ϞσϧධՁई౓ܭࢉ͔Βͷߟ࡯ ܖ໿͢ΔͱݟࠐΜͩސ٬ʢσʔλ͸̍ʣΛ࣮ࡍ̍ͱ༧ଌ͍ͨ͠৔߹  1SFDJTJPOͷ஋ΛߴΊʹઃఆ͢Δ͜ͱʹΑͬͯɺ  'BMTFQPTJUJWFSBUF͕Լ͕ΓɺΑΓਖ਼ղ཰͕ߴ·Δ͕ɺ  औΓ͜΅͕͠૿͑Δʢ'BMTFOFHBUJWF͕ଟ͍ʣ ˠܖ໿͢ΔՄೳੑͷ͋Δސ٬͚ͩʹޮՌతʹɺࢪࡦΛଧ͍ͪͨ৔߹ʹ༗ޮ  ؒҧͬͨސ٬ʹରͯ͠ߴίετͷϓϩϞʔγϣϯΛ࣮ࢪ͢Δ͜ͱΛආ͚Δ ܖ໿͢ΔͱݟࠐΜͩސ٬ʢσʔλ͸̍ʣΛਖ਼͘͠༧ଌ͍ͨ͠৔߹  3FDBMMΛߴΊʹઃఆ͢Δ͜ͱʹΑͬͯɺؒҧ͍ͬͯΔՄೳੑͷ͋Δʢ'BMTFQPTJUJWFʣ  ݁Ռ͕૿͑ɺऔΓ͜΅͕͠গͳ͘ͳΔʢ'BMTFOFHBUJWF͕গͳ͍ʣ
ਫ਼౓ॏࢹ

ˠܖ໿͢Δ͔ඍົͳސ٬ʹରͯ͠΋෯޿͘ɺࢪࡦΛଧ͍ͪͨ৔߹ʹ༗ޮ  ؒҧͬͨސ٬ʹରͯ͠΋௿ίετͷϓϩϞʔγϣϯΛ࣮ࢪ͢Δ৔߹ ࠶ݱ཰ॏࢹ ਫ਼౓ॏࢹ

ˠܖ໿͢Δ͔ඍົͳސ٬ʹରͯ͠΋෯޿͘ɺࢪࡦΛଧ͍ͪͨ৔߹ʹ༗ޮ  ؒҧͬͨސ٬ʹରͯ͠΋௿ίετͷϓϩϞʔγϣϯΛ࣮ࢪ͢Δ৔߹ ࠶ݱ཰ॏࢹ ਫ਼౓ॏࢹ ࠓճͷ৔߹ɺ"6$είΞ͕ͳͷͰ৴པग़དྷΔ݁Ռͱͳ͍ͬͯΔͨΊɺ  ໨తʹ΋ΑΔ͕ɺੇ෼ͷڰ͍΋ͳ͍ਫ਼౓ΛٻΊͳ͍ݶΓɺϞσϧධՁ਺஋ʢ'஋ʣ͕ߴ͘ͳΔΑ͏ʹɺ  1SFDJTJPOͱ3FDBMMΛઃఆ͢΂͖

όον༧ଌɹ࡞੒ͨ͠ϞσϧΛݩʹ  ʢ"NB[PO.BDIJOF-FBSOJOH͸όον༧ଌͱϦΞϧλΠϜ༧ଌͷ྆ํ͕ՄೳͰ͢ʣ όον༧ଌͰ͸ɺଟ͘ͷϨίʔυηοτʹରͯ͠·ͱΊͯ༧ଌΛ࣮ࢪ͢Δ͜ͱ͕Ͱ͖·͢ɻ ͜͜Ͱ͸ɺ༧ଌର৅ͷσʔλɾηοτΛؚΜͩσʔλιʔεΛ࡞੒͠·͢ɻ ͜ͷϑΝΠϧ͸ઌ΄Ͳͷ΋ͷͱ͸ҧͬͯɺZͷม਺͸͍࣋ͬͯ·ͤΜɻ    ϝχϡʔࠨΑΓɺʮ#BUDI1SFEJDUJPOTʯΛબ୒

όον༧ଌҰཡը໘ɹόον༧ଌ࡞੒  ࠨ্ʹʮ$SFBUFOFXCBUDIQSFEJDUJPOʯΛબ୒ ઌ΄Ͳ࡞੒ͨ͠.-NPEFM#BOLJOH%BUBΛબ୒

όον༧ଌ࡞੒  4ʹ഑ஔͨ͠ϑΝΠϧΛࢦఆͯ͠ɺόον༧ଌΛ։࢝

όον༧ଌ࡞੒ɹ7BMJEBUFޙ  4ʹ഑ஔͨ͠ϑΝΠϧΛࢦఆͯ͠ɺόον༧ଌΛ։࢝

όον༧ଌ࡞੒ɹ݁ՌϑΝΠϧ഑ஔઃఆલʙઃఆޙ  4ʹ഑ஔͨ͠ϑΝΠϧΛࢦఆͯ͠ɺόον༧ଌΛ։࢝

όον༧ଌ࡞੒ɹ݁ՌϑΝΠϧ഑ஔઃఆޙɺ4ύʔϛογϣϯ෇༩ 

όον༧ଌ࡞੒ɹSFWJFXը໘ 

όον༧ଌ࡞੒ɹQFOEJOHʙDPNQMFUFE    ༧ଌʹ͸͕͔͔࣌ؒΓ·͢ɻ ऴྃ͢Δͱɺࢦఆͨ͠4ͷϩέʔγϣϯʹ݁Ռ͕ग़ྗ͞ΕΔͷͰɺ ͦΕΛμ΢ϯϩʔυɺղౚͯ͠த਎Λ֬ೝͯ͠ΈΔ

όον༧ଌ݁Ռ4ʹͯ֬ೝ  ࢦఆͨ͠4ͷϩέʔγϣϯʹ݁Ռ͕ग़ྗ͞ΕΔͷͰɺ ͦΕΛμ΢ϯϩʔυɺղౚͯ͠த਎Λ֬ೝͯ͠ΈΔ

όον༧ଌ݁Ռ4͔Βμ΢ϯϩʔυͨ͠ϑΝΠϧΛ֬ೝ  ͦΕͧΕͷߦ͸ΦϦδφϧͷϑΝΠϧͷߦͱϚον͠·͢ɻͦͯ͠Ұͭ໨ͷ ྻ͕༧ଌ͞Εͨม਺ZͰɺ ೋ൪໨ͷྻ͕࣮ࡍͷείΞͰ͢ɻ

"1*Ͱͷૢ࡞ "844%,GPS1)1Λ࢖༻͠·͢ɻ ·ͣ"1*Ͱ"ʹσʔλΛΞοϓϩʔυɻ ͦͯ͠ɺ4ͷσʔλ͔ΒNBDIJOFMFBSOJOH༻ʹσʔλιʔεΛ࡞੒ɻ 4%,ͷࢿྉ͸͜͜ IUUQEPDTBXTBNB[PODPNBXTTELQIQMBUFTUBXTTELGPSQIQBQJEPDVNFOUBUJPO[JQ .BDIJOF-FBSOJOHͷ"1*ϦϑΝϨϯε͸͜͜ IUUQEPDTBXTBNB[PODPNNBDIJOFMFBSOJOHMBUFTU"1*3FGFSFODF 4%,͔Β࢖༻͢Δ৔߹ͷϦϑΝϨϯε͸͜͜ "844%,GPS1)1͔Β࢖༻͢Δ৔߹ͷ"NB[PO.BDIJOF-FBOJOHͷ"1*υΩϡϝϯτ͸ͪ͜Β
IUUQTEPDTBXTBNB[PODPNBXTTELQIQMBUFTUDMBTT"XT.BDIJOF-FBSOJOH.BDIJOF-FBSOJOH$MJFOUIUNM 1)1Ͱͷ"1*αϯϓϧ

"84΁ͷΞΫηεΩʔͷੜ੒ IUUQBXTBNB[PODPNKQEFWFMPQFSTBDDFTTLFZT ద੾ͳݖݶͰ৽͍͠άϧʔϓΛ࡞੒ɺάϧʔϓ಺ʹϢʔβΛ࡞੒ɻ ΞΫηεΩʔΛμ΢ϯϩʔυ͠ɺͦΕΒΛ࢖༻͢Δɻ 4ଆʹ΋ΞΫηεͰ͖ΔΑ͏ʹΞΫηεڐՄΛ༩͓͑ͯ͘ɻ 1)1Ͱͷ"1*αϯϓϧ

"844%,GPS1)1ͷηοτΞοϓ NLEJSQdXPSLTQBDFBXTQIQTBNQMF DEdXPSLTQBDFBXTQIQTBNQMF    DPNQPTFS  DVSMT4IUUQTHFUDPNQPTFSPSHJOTUBMMFScQIQ    WJNDPNQPTFSKTPO  \ SFRVJSF\
BXTBXTTELQIQ ^ ^

"844%,GPS1)1ͷηοτΞοϓ ύοέʔδΠϯετʔϧ  QIQDPNQPTFSQIBSJOTUBMM    ҎԼΛಡΈࠐΊ͹0,  QIQ  SFRVJSFWFOEPSBVUPMPBEQIQ

4΁ϑΝΠϧΛΞοϓϩʔυ QIQT@VQMPBEQIQUFTUUYU

4͔Βσʔλιʔεͷ࡞੒ QIQDSFBUF%BU4PVSDF'SPN4QIQ

Ϟσϧ࡞੒ QIQDSFBUF.-.PEFMQIQ

ධՁσʔλͷ࡞੒ QIQDSFBUF&WBMVBUJPOQIQ

Ϟσϧ͔Βόον༧ଌͷ࣮ߦ QIQ$SFBUF#BUDI1SFEJDUJPOQIQ

ͦͷଞͷ"1* IUUQTEPDTBXTBNB[PODPNBXTTELQIQMBUFTUDMBTT "XT.BDIJOF-FBSOJOH.BDIJOF-FBSOJOH$MJFOUIUNM

අ༻ ࠓճͷྫ

"NB[PO.BDIJOF-FBSOJOH͸ຊ೔͔Β64&BTU /7JSHJOJB ϦʔδϣϯͰར༻Մೳ අ༻͸͍ͭ΋ͷΑ͏ʹैྔ՝ۚϞσϧͰɺԼهͷΑ͏ͳܭࢉͰܾఆ͞ΕΔ σʔλ෼ੳϞσϧͷτϨʔχϯάϞσϧͷධՁ࣌ؒ όον༧ଌສ݅ͷ༧ଌ࣮ߦ͋ͨΓɻ࣮ࡍͷ՝ۚ͸݅͝ͱʹ՝͕ۚ͞Ε͍͖ͯ ·͢ ϦΞϧλΠϜ༧ଌສ݅ͷ༧ଌ࣮ߦ͋ͨΓɻ࣮ࡍͷ՝ۚ͸݅͝ͱͷ՝ۚɻߋʹ Ϟσϧ͕ར༻͞ΕΔϝϞϦ༰ྔʹج͍ͮͨ࣌ؒ୯Ґͷ՝ۚɻ 4΍3%4ɺ3FETIJGUͷྉۚ͸ผ్ൃੜ͠·͢ɻ
අ༻

ػցֶशͷαʔϏεͱͯ͠͸ɺ·ͩ·ͩͳͷ͔ͳͱ͍ͬͨҹ৅ɻ  ֶशΞϧΰϦζϜͷબ୒ࢶ͕ͳ͍ͷͰɺϩδεςΟοΫճؼ΍ઢܗճؼͰ෼ੳͰ͖ͳ͍ ໰୊͸ରԠͰ͖ͳ͍ɻ  σʔλιʔεͷΠϯϙʔτɺϞσϧͷֶशɾධՁ͸ɺॲཧ͕࢝·Ε͹୹࣌ؒͰॲཧ͞Ε ΔɻॲཧΩϡʔʹೖ͍ͬͯΔ࣌ؒ͸௕ΊͰ਺෼଴ͪ·͢ɻ  ຖճɺ4PS3FE4IJGUΛܦ༝ͯ͠ධՁσʔλΛೖྗ͢Δඞཁ͕͋Γ·͢ɻ  ڭࢣ͋ΓֶशͳͷͰೖྗσʔλͷલॲཧʢΫϨϯδϯάʣ͕ඞཁͰ͢ɻ  (6*Ͱ͕͜͜Ͱ͖Ε͹͍͍ͷʹͱࢥ͍·͢ɻ  ೖྗσʔλ͸ɺ༧ΊฏۉԽɺγϟοϑϧ͕ඞཁͰઌ಄ֶ͕शσʔλʹɺ͕ධ Ձσʔλʹ༻͍ΒΕ·͢ɻͬ͘͞ͱϓϩτλΠϓ࡞੒ʹ͸ศར͔ͳɻ 
·ͩ·ͩଟ༷ͳσʔλͰݕূςετΛͨ͠ํ͕Α͍͔ͳͱࢥ͍·͢ɻ   "[VSF.BDIJOF-FBSOJOHͷํ͸ɺڭࢣ͋Γɺͳ͠ͷબ୒͕ग़དྷɺ(6*Ͱͷ෼ੳͷํ๏ ͷબ୒΋Ͱ͖Δɻ"NB[POΑΓෑډ͸ߴͦ͏Ͱ͕͢ɺࢼͯ͠ΈΔՁ஋͕͋Γͦ͏Ͱ͢ɻ ·ͱΊ

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Amazone Machine Learningについて

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