ػցֶशΛ࢖ͬͨαʔϏεͷ ϓϩμΫγϣϯίʔυΛॻ͘࿩ PKSHA Technology ౔԰ ༞Ұ࿠ 

I am… ౔԰༞Ұ࿠ yuichiroTCY • ~2016/03 2015೥౓IPAະ౿ (εʔύʔΫϦΤʔλ) • 2016/07~ PKSHA Technology • BEDORE։ൃνʔϜ ର࿩Τϯδϯ୲౰ ػցֶश / Web / ૊ΈࠐΈ etc… 

What’s BEDORE? νϟοτʹΑΔAIҰ࣍Ԡ౴Λ࣮ࢪ
 ΦϖϨʔλʔͱ૊Έ߹Θͤɺ
 ߴ඼࣭௿ίετରԠ Ի੠ղੳπʔϧͱ࿈ܞͨ͠
 ΦϖϨʔλʔͷφϨοδαϙʔτ Web্ͷFAQϖʔδʹ
 AIΤʔδΣϯτΛઃஔ͠ɺ
 ࣗݾղܾ཰޲্ ೔ຊޠʹಛԽͨ͠ର࿩ΤϯδϯͰ͢ɻ νϟοτ΍ΦϖϨʔλʔαϙʔτͷྖҬͰ͝׆༻͍͍͍ͨͩͯ·͢ɻ େखϝσΟΞاۀ༷ɺେखECاۀ༷ͳͲɺ෯޿͘ಋೖ௖͍͓ͯΓ·͢ 

ػցֶशΛ࢖ͬͨαʔϏεΛ ͭ͘Δͱ͖… 

ΞϧΰϦζϜΤϯδχΞ / ιϑτ΢ΣΞΤϯδχΞ ιϑτ΢ΣΞΤϯδχΞ ΞϧΰϦζϜΤϯδχΞ ʮػցֶशΛ࢖ͬͯ̋̋Λͭ͘Δͧʂʯ ࿦จ ࣮ݧ ઃܭ ӡ༻ https://iconsmind.com/ 

ͲͪΒ΋େࣄ ॊೈੑͷ͋Δ
ઃܭʹ͠Α͏ ͜ͷ࿦จͷख๏
ྑͦ͞͏ʂ ࣮ݧͯ͠
͍͍݁Ռग़ͨʂ ਫ਼౓্͛ΔͨΊ
৽ख๏ࢼͦ͏ ιϑτ΢ΣΞͷ
඼࣭Λอͭʹ͸ʜ (PBM
͜ΜͳαʔϏεΛ
Ϣʔβʔʹಧ͚͍ͨ 

ΞϧΰϦζϜ / ιϑτ΢ΣΞΤϯδχΞͷ͍͋ͩ ιϑτ΢ΣΞΤϯδχΞ ΞϧΰϦζϜΤϯδχΞ ʮػցֶशΛ࢖ͬͯ̋̋Λͭ͘Δͧʂʯ ࿦จ ࣮ݧ ઃܭ ӡ༻ https://iconsmind.com/ 

ࠓ೔࿩͢͜ͱ ιϑτ΢ΣΞ ΤϯδχΞ ΞϧΰϦζϜ ΤϯδχΞ • ػցֶशαʔϏεͷϓϩμΫγϣϯߏ੒ͷҰྫ ✴ Πϯϑϥ ✴ γεςϜઃܭ • ΞϧΰϦζϜ / ιϑτ΢ΣΞΤϯδχΞͷք໘Λ
 ͍͔ʹͯ͠ઃܭ͢Δ͔ ✴ ιʔείʔυ ✴ ςετ ✴ ૊৫ ίίʂ 

BEDOREγεςϜͷ֓ཁ 

BEDOREͷର࿩γεςϜུ֓ #&%03&
TZTUFN API Gateway Web Interface Reply server Database ΞΧ΢ϯτ Φʔφʔ \lSFRVFTUz
l#&%03&ͬͯͳʹʁz^
ˣ
\lSFTQPOTFz
l͋ͳͨͷ͓ख఻͍Λ
 ͍ͤͯͨͩ͘͞ձ࿩ΤϯδϯͰ͢ʂz^ ֎෦API 

Reply αʔό 3FQMZ
TFSWJDF લॲཧ ֎෦"1*ίʔϧ ػցֶश ϧʔϧϕʔε ग़ྗੜ੒

Web API Interface 

͜ΜͳཁٻΛຬͨ͢ίʔυΛͲ͏ॻ͚͹ྑ͍ΜͩΖ͏ʁ • ػցֶशॲཧ / ϧʔϧϕʔεॲཧ / ֎෦APIݺͼग़͠
 ͳͲΛڠௐͤ͞Δ 

BEDOREͷର࿩γεςϜུ֓ʢ࠶ܝʣ #&%03&
TZTUFN API Gateway Web Interface Database ΞΧ΢ϯτ Φʔφʔ Reply server ֎෦API 

ΞΧ΢ϯτ Φʔφʔ ֶशαʔό͸෼͚Δ #&%03&
TZTUFN API Gateway Web Interface Database Learning servers Invoke Save models Storage Load models Training Prediction ୹࣌ؒɾߴෛՙ ৗ࣌ɾ௿ʙதෛՙ ฒྻ࣮ߦ ଱ো֐ੑ Reply server ֎෦API 

͜ΜͳཁٻΛຬͨ͢ίʔυΛͲ͏ॻ͚͹ྑ͍ΜͩΖ͏ʁ • ػցֶशॲཧ / ϧʔϧϕʔεॲཧ / ֎෦APIݺͼग़͠
 ͳͲΛڠௐͤ͞Δ • ReplyαʔόͱֶशαʔόΛ෼͚Δ ੡඼ͱͯ͠… • ػೳ֦ுɾอक͸༰қʹ • όά͸ग़͞ͳ͍ • ਫ਼౓޲্ͷͨΊߴ଎ʹࢼߦࡨޡ 

ػցֶशγεςϜͷઃܭ 

ʢࢀߟʣ http://www.slideshare.net/takahirokubo7792/ss-65413290 icoxfog417ࢯʮػցֶशͰٽ͔ͳ͍ͨΊͷίʔυઃܭʯ 

BEDOREࣜɾػցֶशσβΠϯύλʔϯʢҊʣ .PEFM 5SBJOFS %BUB1SPWJEFS 

BEDOREࣜɾػցֶशσβΠϯύλʔϯʢҊʣ .PEFM

.FUIPET
w QSFQSPDFTT
w USBJO
w QSFEJDU
w TBWF
w SFTUPSF 
1BSBNT
ྫ
w IJEEFO@MBZFST
w ESPQPVU





FUDʜ 5SBJOFS 
1BSBNT
ྫ
w O@TUFQT
w PQUJNJ[FS





FUDʜ 
.FUIPET
w USBJO %BUB1SPWJEFS

.FUIPET
w HFU@USBJOJOH@EBUB ʢྫɿNeural NetworksΛ࢖ͬͨϞσϧͷ৔߹ʣ 

੹຿Λ෼཭͢Δ • Model • train, predict, preprocess, save, restore
 ͱ͍͏ΠϯλϑΣʔε͚ͩఆΊΔ • த਎͸ΞϧΰϦζϜΤϯδχΞ୲౰ • DataProvider • ֶशσʔλΛఏڙ͢Δget_training_dataͱ͍͏ΠϯλϑΣʔε͚ͩ ఆΊΔ • DB͔ΒಡΜͰ΋APIୟ͍ͯ΋CSVಡΜͰ΋OKɻ࢖͏ଆ͸ؔ஌͠ͳ͍ • Trainer • DataProvider͔ΒֶशσʔλΛऔಘͯ͠ɺ
 ֶशύϥϝʔλͱҰॹʹModelΫϥεͷtrain()ʹ౉͚ͩ͢ 

Training .PEFM

.FUIPET
w QSFQSPDFTT
w USBJO
w QSFEJDU
w TBWF
w SFTUPSF 
1BSBNT
ྫ
w IJEEFO@MBZFST
w ESPQPVU





FUDʜ 5SBJOFS 
1BSBNT
ྫ
w O@TUFQT
w PQUJNJ[FS





FUDʜ 
.FUIPET
w USBJO data_provider = DataProvider() trainer = Trainer(data_provider, train_params) model = Model(model_params) trainer.train(model) model.save(‘path/to/save’) %BUB1SPWJEFS

.FUIPET
w HFU@USBJOJOH@EBUB w %BUB1SPWJEFSHFU@USBJOJOH@EBUB
͔Β
 ֶशσʔλΛऔಘ͠ɺ
w .PEFMUSBJO Λݺͼग़ͯ͠౉͢ɻ w ड͚औͬͨσʔλΛ
 QSFQSPDFTT Ͱલॲཧ͠ɺ
w ֶशΛߦ͏ 

Prediction .PEFM

.FUIPET
w QSFQSPDFTT
w USBJO
w QSFEJDU
w TBWF
w SFTUPSF 
1BSBNT
ྫ
w IJEEFO@MBZFST
w ESPQPVU





FUDʜ 5SBJOFS 
1BSBNT
ྫ
w O@TUFQT
w PQUJNJ[FS





FUDʜ 
.FUIPET
w USBJO model = Model.restore(‘path/to/load’) result = model.predict(‘Hello, BEDORE!’) %BUB1SPWJEFS

.FUIPET
w HFU@USBJOJOH@EBUB w ड͚औͬͨσʔλΛ
 QSFQSPDFTT Ͱલॲཧ͠ɺ
w ࣝผΛߦ͏ 

ModelͷՄൖੑ .PEFM

1BSBNT
ྫ
w IJEEFO@MBZFST


w ESPQPVU







FUDʜ 
5SBJOFE
NPEFM
w /FUXPSL
QBSBNFUFST
FUDʜ save() .PEFM

1BSBNT
ྫ
w IJEEFO@MBZFST


w ESPQPVU







FUDʜ 
5SBJOFE
NPEFM
w /FUXPSL
QBSBNFUFST
FUDʜ restore() 

ModelͷՄൖੑ .PEFM

1BSBNT
ྫ
w IJEEFO@MBZFST


w ESPQPVU







FUDʜ 
5SBJOFE
NPEFM
w /FUXPSL
QBSBNFUFST
FUDʜ save() .PEFM

1BSBNT
ྫ
w IJEEFO@MBZFST


w ESPQPVU







FUDʜ 
5SBJOFE
NPEFM
w /FUXPSL
QBSBNFUFST
FUDʜ restore() TBWF

SFTUPSF
w .PEFMΫϥε͕࣋ͭ͋ΒΏΔύϥϝʔλ
 ʢϋΠύʔύϥϝʔλɾֶशࡁΈϞσϧɾલॲཧ༻ࣙॻͳͲʣΛ
 ̍σΟϨΫτϦʹύοΫˍϦετΞ
w 1JDLMFͳͲͷγϦΞϥΠβ΍
 ϥΠϒϥϦ
5FOTPS'MPXͳͲ ͷTBWF

SFTUPSFΛ׆༻ 

BEDOREγεςϜʹ͓͚ΔModelϑΝΠϧͷऔΓճ͠ #&%03&
TZTUFN API Gateway Web Interface Database Learning servers Invoke Save models Storage Load models ֶश͸ઐ༻αʔόͰߦ͍ɺ
 ֶशࡁϞσϧ ϑΥϧμݸʂ Λ
 4UPSBHFʹอଘɺ
3FQMZαʔόʹϩʔυ͢Δɻ
w ෛՙͷେֶ͖͍शॲཧ
 ʹઐ༻ͷߴՐྗΠϯελϯε
 ɹΛεϙοτతʹ࢖༻
w աڈͷϞσϧ͸શͯอଘ͞ΕΔ
 ʹϩʔϧόοΫՄೳ Reply server 

࣮ݧ΋ָʹ .PEFM

.FUIPET
w QSFQSPDFTT
w USBJO
w QSFEJDU
w TBWF
w SFTUPSF 
1BSBNT
ྫ
w IJEEFO@MBZFST
w ESPQPVU





FUDʜ 5SBJOFS 
1BSBNT
ྫ
w O@TUFQT
w PQUJNJ[FS





FUDʜ 
.FUIPET
w USBJO
w FWBM %BUB1SPWJEFS

.FUIPET
w HFU@USBJOJOH@EBUB 1. DataProvider.get_training_data()͔ΒಘΒΕͨσʔλΛtrain / testʹ෼͚Δ 2. Model.train()Ͱֶश͢Δ 3. Model.predict()Ͱςετ͢Δ 

࣮ݧ΋ϓϩμΫγϣϯͷֶशͱಉ༷ͷॲཧɾΠϯϑϥͰ #&%03&
TZTUFN Web Interface Database Experiment servers Invoke Save models Storage ࣮ݧ΋ֶशαʔόͱಉ༷ʹ
 ΦϯσϚϯυΠϯελϯεͰ
w σʔλಡΈࠐΈॲཧ౳͸
 ֶशͱಉ͡΋ͷΛར༻
 ʹϩδοΫ΍ύϥϝʔλͷ
 ɹมߋʹઐ೦
 ʹσʔλ͸ຊ൪ͱಉ͡΋ͷ Reply server 

.PEFM
Model mixins ػցֶशͷຊ࣭Ͱ͸ͳ͍͕ศརͳػೳ͸
 Mixinͱͯࠩ͠͠ࠐΊΔΑ͏ʹ͓ͯ͘͠ .JYJO 
.FUIPET
w QSFQSPDFTT
w USBJO
w QSFEJDU
w TBWF
w SFTUPSF 
1BSBNT
w IJEEFO@MBZFST
w ESPQPVU





FUDʜ .JYJO .JYJO 

Model mixins • Label Transformer • ೚ҙͷ؅ཧIDΛ࿈൪ͷIntegerʹม׵ • Cache Loader • restore() ʹΩϟογϡػೳΛ෇͚Δ Mixinͱͯ͠༻ҙ͓ͯ͘͠ͱศརͩͬͨػೳͷྫ 

ModelͷΧϓηϧԽ • தͷ೉͍͜͠ͱ͸ΞϧΰϦζϜΤϯδχΞʹ
 ͓Ͷ͕͍͢Δ • தͰAPIΛݺ΅͏͕Կ͠Α͏͕OK • ֎෦ʹAPIΛ࣮૷͠ɺModel͸ͦΕΛݺͿϥούʔʹ ప͢Δͱ͔ 

ModelͷΧϓηϧԽ • train, predict, save, restore (, preprocess) ͕
 ࢖͑Ε͹ྑ͍ • ΠϯλϑΣʔε෦෼͸
 ιϑτ΢ΣΞ / ΞϧΰϦζϜΤϯδχΞͷ
 ڠۀ͕ඞཁ͔΋ 

ςετՄೳੑ ςετͷͳ͍ίʔυ͸੡඼ʹͰ͖ͳ͍ ʮςετͷແ͍ίʔυ͸ϨΨγʔίʔυʯ http://www.shoeisha.co.jp/book/detail/9784798116839 https://www.amazon.co.jp/exec/obidos/ASIN/4894717115/hatena-blog-22/ 

ςετՄೳੑ ςετͷͳ͍ίʔυ͸੡඼ʹͰ͖ͳ͍ ʮςετͷແ͍ίʔυ͸ϨΨγʔίʔυʯ ModelΫϥεͷ੾Γ෼͚ʹΑͬͯ ૄ݁߹㱺ςετՄೳੑUP • ModelΫϥεΛMockͯ͠ଞίϯϙʔωϯτΛςετ • ModelΫϥε͕୲͏ػցֶशͷ”ςετ”ʹਫ਼౓ධՁ΋
 ୯ମͰ࣮ߦՄೳ 

3FQMZ
TFSWJDF ΞϧΰϦζϜΤϯδχΞ / ιϑτ΢ΣΞΤϯδχΞ ModelΫϥεͷ੹຿ͷ෼཭ʹ྆ऀͷ੹຿ͷ෼཭ .PEFM
QSFQSPDFTT USBJO QSFEJDU TBWF SFTUPSF ιϑτ΢ΣΞ ΤϯδχΞ https://iconsmind.com/ ΞϧΰϦζϜ ΤϯδχΞ 

ػցֶशϓϩμΫτͷνʔϜ ιϑτ΢ΣΞΤϯδχΞ ΞϧΰϦζϜΤϯδχΞ อकੑ ҆ఆੑ ֦ுੑ ࣮ߦޮ཰ ࣮ݧ ݚڀ։ൃ ࠷৽ख๏΁ͷཧղ ઃܭ 

·ͱΊ ద੾ͳ • ίʔυͷઃܭ • ੹຿ͷ੾Γ෼͚ ʹΑͬͯɺ ΞϧΰϦζϜ / ιϑτ΢ΣΞΤϯδχΞ͕ڠྗͯ͠ ߴ඼࣭ɾߴੑೳͳϓϩμΫτΛ
 σϦόϦʔͰ͖ΔΑ͏ʹ͠Α͏ 

Ξ ϧ ΰ Ϧ ζ Ϝ Τ ϯ δ χ Ξ ื ू த ͝ڵຯ͕͋Δํ͸ࢲ΁ɺ·ͨ͸Wantedly͔Β͝࿈བྷ͍ͩ͘͞ 

͝ڵຯ͕͋Δํ͸ࢲ΁ɺ·ͨ͸Wantedly͔Β͝࿈བྷ͍ͩ͘͞ https://www.wantedly.com/projects/75747