Doccano: ๊ธฐ๋Šฅ ์š”์ฒญ: ํ† ํฐ ์ˆ˜์ค€ ์ถœ๋ ฅ

์— ๋งŒ๋“  2019๋…„ 10์›” 03์ผ  ยท  4์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: doccano/doccano

๊ธฐ๋Šฅ ์„ค๋ช…

doccano๋Š” ํ˜„์žฌ ๋ฌธ์ž ์ˆ˜์ค€ ์ฃผ์„๋งŒ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ NLP์— ์‚ฌ์šฉ๋˜๋Š” ์ผ๋ถ€ ์›Œํฌํ”Œ๋กœ์—๋Š” ๋‹จ์–ด ๋ชฉ๋ก ๋ฐ ํ† ํฐ ๋ ˆ์ด๋ธ” ๋ชฉ๋ก์œผ๋กœ ์ž…๋ ฅํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

Sample sentence: 
['Two', ',', 'Samsung', 'based', ',', 'electronic', 'cash', 'registers', 'were', 'reconstructed', 'in', 'order', 'to', 'expand', 'their', 'functions', 'and', 'adapt', 'them', 'for', 'networking', '.']

Sample sentence labels: 
['O', 'O', 'I-ORG', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O', 'O']

์ด๊ฒƒ์€ ์ผ๋ถ€ ์–ธ์–ด๊ฐ€ ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„๋˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์— ์ด์™€ ๊ฐ™์ด ์ˆ˜ํ–‰๋œ ์ด์ „ ๋ฌธ์ œ(#7)์—์„œ ์ฐธ์กฐ๋ฉ๋‹ˆ๋‹ค. ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„๋œ ์–ธ์–ด์— ์ฃผ์„์„ ์ถ”๊ฐ€ํ•˜๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์›Œํฌํ”Œ๋กœ์— ์›ํ™œํ•˜๊ฒŒ ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๋Š” ์˜ต์…˜์ด ์žˆ์œผ๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์ถœ์ฒ˜: https://github.com/microsoft/nlp/blob/master/examples/named_entity_recognition/ner_wikigold_bert.ipynb

feature request

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

doccano-transformer ๋ผ๋Š” ์ƒˆ Python ํŒจํ‚ค์ง€๋ฅผ ๋งŒ๋“ค ๊ณ„ํš์ด ์žˆ์Šต๋‹ˆ๋‹ค.
์ฃผ์„์ด ๋‹ฌ๋ฆฐ ๋ฌธ์„œ๋ฅผ https://github.com/chakki-works/doccano/issues/362 , https://github.com/chakki-works/doccano/issues/454 ๋“ฑ๊ณผ ๊ฐ™์€ ๋‹ค๋ฅธ ํ˜•์‹์œผ๋กœ ๋ณ€ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ํ† ํฐ ๋ ˆ๋ฒจ ์ถœ๋ ฅ์€ doccano-transformer ํฌํ•จ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๋ชจ๋“  4 ๋Œ“๊ธ€

์•ˆ๋…•ํ•˜์„ธ์š”! ๋‚˜๋Š” ๋‚˜ ์ž์‹ ์„ ์œ„ํ•ด ๋น„์Šทํ•œ ๊ฒƒ์„ ์ผ๊ณ  PR์— ๊ธฐ์—ฌํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค :) ๊ทธ๋Ÿฌ๋‚˜ ๋ ˆ์ด๋ธ”์ด ์ž˜๋ชป๋œ ํ† ํฐ์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ž˜ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค. ์ฆ‰, ํ† ํฐ์ด ๋ถ€๋ถ„์ ์œผ๋กœ๋งŒ ํ‘œ์‹œ๋˜๋ฉด ์–ด๋–ป๊ฒŒ ๋ ๊นŒ์š”? ๋‚ด ์ž์‹ ์˜ ๋ชฉ์ ์„ ์œ„ํ•ด ์Šคํฌ๋ฆฝํŠธ ์‚ฌ์šฉ์ž์— ๋Œ€ํ•œ ๊ฒฝ๊ณ ์ธ ๋ ˆ์ด๋ธ”์ด ์ž˜๋ชป๋œ ํ† ํฐ์„ ์ธ์‡„ํ•˜๊ณ  ํ† ํฐ ์ฃผ์„์„ ์‚ญ์ œํ•˜์ง€๋งŒ ํ”„๋กœ๋•์…˜์—์„œ๋Š” ์ด๊ฒƒ์ด ๋ฐฉ๋ฒ•์ด ์•„๋‹™๋‹ˆ๋‹ค.

๋‹ค๋ฅธ ๊ฒƒ์€ "๋น„ ์—”ํ„ฐํ‹ฐ" ํ† ํฐ์ด์–ด์•ผ ํ•ฉ๋‹ˆ๊นŒ? 'O' ? ๊ทธ๋Ÿฐ ๋‹ค์Œ ์‚ฌ์šฉ์ž๊ฐ€ ์ผ๋ถ€ ์‚ฌ๋žŒ๋“ค์„ ์˜ค๋„ํ•  ์ˆ˜ ์žˆ๋Š” ์ด๋Ÿฌํ•œ ๋ ˆ์ด๋ธ”์„ ์ถ”๊ฐ€ํ•˜๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์•„๋‹ˆ๋ฉด ์‚ฌ์šฉ์ž๊ฐ€ ํ† ํฐ์„ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ๋Š” ์–‘์‹์„ ๋งŒ๋“ค์–ด์•ผ ํ• ๊นŒ์š”? ์•„๋‹ˆ๋ฉด ๋น„์›Œ๋‘˜๊นŒ์š”?

๋‚˜๋Š” ์ด ๊ธฐ๋Šฅ ์š”์ฒญ์ด ํ›Œ๋ฅญํ•˜๋‹ค๊ณ  ์ƒ๊ฐํ•˜์ง€๋งŒ ์šฐ๋ฆฌ๋Š” ์ด ๋ฌธ์ œ๋ฅผ ์ •ํ™•ํžˆ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋™์˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค :์Šค๋งˆ์ผ: ๊ท€ํ•˜์˜ ์ œ์•ˆ์„ ์ฝ๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค

doccano-transformer ๋ผ๋Š” ์ƒˆ Python ํŒจํ‚ค์ง€๋ฅผ ๋งŒ๋“ค ๊ณ„ํš์ด ์žˆ์Šต๋‹ˆ๋‹ค.
์ฃผ์„์ด ๋‹ฌ๋ฆฐ ๋ฌธ์„œ๋ฅผ https://github.com/chakki-works/doccano/issues/362 , https://github.com/chakki-works/doccano/issues/454 ๋“ฑ๊ณผ ๊ฐ™์€ ๋‹ค๋ฅธ ํ˜•์‹์œผ๋กœ ๋ณ€ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ํ† ํฐ ๋ ˆ๋ฒจ ์ถœ๋ ฅ์€ doccano-transformer ํฌํ•จ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

์ด์— ๋Œ€ํ•œ ์—…๋ฐ์ดํŠธ๊ฐ€ ์žˆ์Šต๋‹ˆ๊นŒ? ๋ฐ์ดํ„ฐ ์„ธํŠธ๋ฅผ .txt(๊ฐ ํ–‰์ด ๋ฌธ์žฅ์ž„)๋กœ ๊ฐ„๋‹จํžˆ ๊ฐ€์ ธ์˜ค๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.

George Washington went to Washington.
Sam Houston stayed home.

... ๋‹ค์Œ๊ณผ ๊ฐ™์ด (์ฃผ์„์„ ์ถ”๊ฐ€ํ•œ ํ›„) .txt๋กœ ๋‚ด๋ณด๋ƒ…๋‹ˆ๋‹ค.

George B-PER
Washington I-PER
went O
to O
Washington B-LOC

Sam B-PER
Houston I-PER
stayed O
home O

์ฆ‰, ์ž˜ ์•Œ๋ ค์ง„ IOB ์ฃผ์„ ํ˜•์‹์œผ๋กœ ๋‚ด๋ณด๋ƒ…๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ด๋ฅผ ์œ„ํ•ด Doccano๋Š” ์ฃผ์„์ด ๋‹ฌ๋ฆฐ ์—”ํ‹ฐํ‹ฐ๊ฐ€ 1๊ฐœ ์ด์ƒ์˜ ํ† ํฐ์œผ๋กœ ๊ตฌ์„ฑ๋˜์–ด ์žˆ๋Š” ๊ฒฝ์šฐ B(์‹œ์ž‘) ๋ฐ I(๋‚ด๋ถ€) ๋ ˆ์ด๋ธ”๋กœ ์ฃผ์„์„ ๋‹ฌ์•„์•ผ ํ•œ๋‹ค๋Š” ๊ฒƒ์„ ์ž๋™์œผ๋กœ ์•Œ์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ BIOES์™€ ๊ฐ™์ด IOB ์™ธ์— ๋” ์ •๊ตํ•œ ์ฃผ์„ ์ฒด๊ณ„๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์„œ S(๋‹จ์ผ)๋Š” ๋‹จ์ผ ํ† ํฐ์„ ํฌํ•จํ•˜๋Š” ์ฒญํฌ๋ฅผ ๋‚˜ํƒ€๋‚ด๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. BIOES ์ฃผ์„ ์ฒด๊ณ„์˜ ๊ฒฐ๊ณผ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.

George B-PER
Washington E-PER
went O
to O
Washington S-LOC

Sam B-PER
Houston E-PER
stayed O
home O

IOB ๋˜๋Š” BIOES(๋˜๋Š” ๊ธฐํƒ€) ํ˜•์‹์œผ๋กœ ์ฃผ์„์ด ๋‹ฌ๋ฆฐ ๋ฐ์ดํ„ฐ์„ธํŠธ๋ฅผ ๋‚ด๋ณด๋‚ผ ์ˆ˜ ์žˆ๋‹ค๋ฉด ์ •๋ง ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋งŽ์€ NER์šฉ ์ตœ์‹  ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋Š” ๋ชจ๋ธ์„ ํ›ˆ๋ จํ•˜๊ธฐ ์œ„ํ•ด ํ† ํฐ ์ˆ˜์ค€ ์ฃผ์„์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค(Zalando์˜ Flair, HuggingFace์˜ Transformers ๋“ฑ).

doccano-transformer๋ฅผ ์ถœ์‹œ

์šฐ๋ฆฌ๋Š” ์ž‘์—…๊ณผ ํ˜•์‹์„ ํ™•์žฅํ•  ๊ณ„ํš์ด ์žˆ์Šต๋‹ˆ๋‹ค.
๊ธฐ๋Œ€ํ•ด ์ฃผ์„ธ์š”.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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